Buying Guide

Every Sea To Summit sleeping bag has been crafted with three core values in mind - Technical Performance, Comfort and Versatility. From freezing alpine heights to humid equatorial climates, there's a Sea To Summit sleeping bag to suit every adventure.

The range consists of both goose down and synthetic filled bags in everything from a technical mummy shape for extreme climates to relaxed tapered rectangular shapes that offer a perfect balance of comfort and performance. The general camper is catered for too with sleeping bags that offer luxury and versatility we've never seen before in a sleeping bag and to top it off there are some super compact hoodless versions for the intrepid traveller.

There's a sleeping bag in the Sea To Summit range for every activity and to suit every budget, check out the range and purchase with confidence knowing these sleeping bags are backed by a team of adventurers, designers and manufacturers with many years of experience behind them.

How to pack away your sleeping bag
Watch video >

How to choose the right Sea To Summit Sleeping Bag
Read article >

Sea To Summit Sleeping Bags

51 productsClear all

Clear

Sea to Summit Trek Tk2 Sleeping Bag (−1 degrees C) − This bag offers durable 30D nylon with a soft and breathable 20D nylon lining

Sea to Summit Trek Tk2 Sleeping Bag (−1 degrees C) − 20D soft touch light and breathable lining

Sea to Summit Trek Tk2 Sleeping Bag (−1 degrees C) − Tapered rectangular shape

Sea To Summit Trek Tk2 Sleeping Bag (−1 degrees C) − Hood and Neck Draft Tube

Sea To Summit Trek Tk2 Sleeping Bag (−1 degrees C) − RDS certified 650+ Loft ULTRA−DRY Down for insulation and compressibility

Sea To Summit Trek Tk2 Sleeping Bag (−1 degrees C) − Vertical chest baffles prevent down migration and cold spots

Sea To Summit Trek Tk2 Sleeping Bag (−1 degrees C) − #5 YKK full length side zip

Sea To Summit Trek Tk2 Sleeping Bag (−1 degrees C) − Offers more room than traditional mummy bags

Sea To Summit Trek Tk2 Sleeping Bag (−1 degrees C) − Large internal security pocket

Sea To Summit Trek Tk2 Sleeping Bag (−1 degrees C) − Includes Ultra−Sil Compression Bag for compact storage

Sea To Summit Trek Tk2 Sleeping Bag

Sea To Summit Trek Tk2 Sleeping Bag

Sea To Summit Trek Tk2 Sleeping Bag (−1°C) − Man sitting in bag

Sea to Summit Trek Tk2 Sleeping Bag (−1 °C)

$251.04

Best price guarantee

Sea to Summit Flame Fm3 Wmn's Sleeping Bag (−4 degrees C) − This bag will keep you comfortable while you sleep without the excess weight

Sea to Summit Flame Fm3 Wmn's Sleeping Bag (−4 degrees C) − Features a full zip with two sliders so you can access it easily and ventilate if necessary

Sea To Summit Flame Fm3 Wmn's Sleeping Bag (−4 degrees C) − Includes hood draft collar and vertical baffles on the chest prevent the down moving

Sea To Summit Flame Fm3 Wmn's Sleeping Bag (−4 degrees C) − RDS certified 850 Plus Loft premium goose down

Sea To Summit Flame Fm3 Wmn's Sleeping Bag (−4 degrees C) − ULTRA−DRY water repellent treatment on the down protects it from moisture

Sea To Summit Flame Fm3 Wmn's Sleeping Bag (−4 degrees C) − Light gauge #3 YKK zip with two sliders for access and ventilation

Sea To Summit Flame Fm3 Wmn's Sleeping Bag (−4 degrees C) − Full box baffle construction help reduce cold spots

Sea To Summit Flame Fm3 Wmn's Sleeping Bag (−4 degrees C) − Size comparison with a Camelbak bottle

Sea To Summit Flame Fm3 Wmn's Sleeping Bag

Sea To Summit Flame Fm3 Wmn's Sleeping Bag

Sea to Summit Flame Fm3 Women's Sleeping Bag (−4 °C)

$467.00

Best price guarantee

Sea to Summit Journey Jo1 Wmn's Sleeping Bag (−1 degree C) − Constructed from a lightweight 30D nylon with soft touch breathable 20D lining

Sea to Summit Journey Jo1 Wmn's Sleeping Bag (−1 degree C) − Two−way full−length side zip and separate foot zip for use as a quilt

Sea to Summit Journey Jo1 Wmn's Sleeping Bag (−1 degree C) − Vertical baffles over the chest section to prevent cold spots

Sea to Summit Journey Jo1 Wmn's Sleeping Bag (−1 degree C) − Extra down overall and Thermolite panels under the foot area for extra warmth

Sea to Summit Journey Jo1 Wmn's Sleeping Bag (−1 degree C) − Panelled hood draws in tight for warmth and lies flat when not in use

Sea to Summit Journey Jo1 Wmn's Sleeping Bag (−1 degree C) − Internal head area

Sea to Summit Journey Jo1 Wmn's Sleeping Bag (−1 degree C) − Zipper

Sea to Summit Journey Jo1 Wmn's Sleeping Bag (−1 degree C) − Bag compressed next to Camelbak Eddy bottle

Sea to Summit Journey Jo1 Wmn's Sleeping Bag

Sea to Summit Journey Jo1 Wmn's Sleeping Bag

Sea to Summit Journey Jo1 Women's Sleeping Bag (−1 °C)

$269.04

Best price guarantee

Sea to Summit Ascent Ac1 Sleeping Bag (2 degrees C) − R.D.S certified 750+ loft duck down for insulation

Sea to Summit Ascent Ac1 Sleeping Bag (2 degrees C) − Full length two−way left side zip and separate foot zip allows for us as a quilt

Sea to Summit Ascent Ac1 Sleeping Bag (2 degrees C) − Large internal security pocket for valuables

Sea to Summit Ascent Ac1 Sleeping Bag (2 degrees C) − Vertical baffles on the chest to prevent cold spots

Sea to Summit Ascent Ac1 Sleeping Bag (2 degrees C) − Generous hood and dual cord adjustment

Sea To Summit Ascent Ac1 Sleeping Bag (2 °C) − The shell and lining are made from breathable yet lightweight nylon

Sea To Summit Ascent Ac1 Sleeping Bag (2 °C) − Tapered rectangular shape balances space and warmth

Sea To Summit Ascent Ac1 Sleeping Bag (2 degrees C) − Comfortable footbox

Sea To Summit Ascent Ac1 Sleeping Bag (2 °C) − Security pocket to keep your valuables close

Sea To Summit Ascent Ac1 Sleeping Bag (2 °C) − Zip

Sea To Summit Ascent Ac1 Sleeping Bag (2 °C) − Size comparison next to Camelbak bottle

Sea To Summit Ascent Ac1 Sleeping Bag

Sea To Summit Ascent Ac1 Sleeping Bag

Sea to Summit Ascent Ac1 Sleeping Bag (2 °C)

$269.04

Best price guarantee

Sea to Summit Altitude At1 Wmn's Sleeping Bag (−4 degrees C) − Tapered rectangular design with wider hips and narrower shoulders

Sea to Summit Altitude At1 Wmn's Sleeping Bag (−4 degrees C) − Free−Flow triple−zip design for adaptability

Sea to Summit Altitude At1 Wmn's Sleeping Bag (−4 degrees C) − Half zip on the left and full−length two−way side zip and separate foot zip

Sea to Summit Altitude At1 Wmn's Sleeping Bag (−4 degrees C) − Vertical baffles over the chest to prevent cold spots

Sea to Summit Altitude At1 Wmn's Sleeping Bag (−4 degrees C) − Oversized draft tubes prevent body heat escaping

Sea To Summit Altitude At1 Right Zip Wmn's Sleeping Bag (−4 degrees C) − Super light nylon shell and lining

Sea To Summit Altitude At1 Right Zip Wmn's Sleeping Bag (−4 degrees C) − High−quality RDS certified 750+ Loft ULTRA−DRY Duck Down for insulation

Sea To Summit Altitude At1 Right Zip Wmn's Sleeping Bag (−4 degrees C) − Extra down overall and THERMOLITE panels under the foot area

Sea To Summit Altitude At1 Right Zip Wmn's Sleeping Bag (−4 degrees C) − Zipper

Sea To Summit Altitude At1 Right Zip Wmn's Sleeping Bag (−4 degrees C) − Internal pocket to secure your valuables

Sea To Summit Altitude At1 Right Zip Wmn's Sleeping Bag (−4 degrees C) − Size comparison next to Camelbak bottle

Sea To Summit Altitude At1 Wmn's Sleeping Bag

Sea To Summit Altitude At1 Wmn's Sleeping Bag

Sea to Summit Altitude At1 Women's Sleeping Bag (−4 °C)

$404.01

Best price guarantee

Sea to Summit Flame Fm2 Wmn's Sleeping Bag (2 degrees C) − RDS certified 850+ Loft premium goose down

Sea to Summit Flame Fm2 Wmn's Sleeping Bag (2 degrees C) − ULTRA−DRY water repellent treatment on the down protects it from moisture

Sea to Summit Flame Fm2 Wmn's Sleeping Bag (2 degrees C) − Draft tube prevents heat loss through the zipper

Sea To Summit Flame Fm2 Wmn's Sleeping Bag (2 degrees C) − 10D nylon shell and 7D lining for minimal weight and packed size

Sea To Summit Flame Fm2 Wmn's Sleeping Bag (2 degrees C) − Comfortable footbox

Sea To Summit Flame Fm2 Wmn's Sleeping Bag (2 degrees C) − Vertical baffles on the chest prevent down movement, sewn through horizontal baffle on lower bag to minimise weight

Sea To Summit Flame Fm2 Wmn's Sleeping Bag (2 degrees C) − Draft tube prevents heat loss through the zipper

Sea To Summit Flame Fm2 Wmn's Sleeping Bag (2 °C) − Size comparison with Camelbak bottle

Sea To Summit Flame Fm2 Wmn's Sleeping Bag

Sea To Summit Flame Fm2 Wmn's Sleeping Bag

Sea to Summit Flame Fm2 Women's Sleeping Bag (2 °C)

$314.03 - $341.02

Best price guarantee

Sea to Summit Traveller Tr1 Sleeping Bag (14 degrees C) − Ultra−light 15D Nylon fabrics to minimise weight and bulk

Sea to Summit Traveller Tr1 Sleeping Bag (14 degrees C) − Full−length side zipper

Sea to Summit Traveller Tr1 Sleeping Bag (14 degrees C) − Sewn−through quilted construction to keep weight down

Sea to Summit Traveller Tr1 Sleeping Bag (14 degrees C) − Doubles as a top quilt to significantly extend the warmth of another sleeping bag

Sea To Summit Traveller Tr1 Sleeping Bag (14 degrees C) − Featuring a slightly tapered shape, you can cinch in the shoulder and foot drawcords to trap warmth

Sea To Summit Traveller Tr1 Sleeping Bag (14 degrees C) Shoulder and foot drawcords cinch the bag tight to retain maximum warmth

Sea To Summit Traveller Tr1 Sleeping Bag (14 degree C) − #5 YKK Zip coupling compatible with another Traveller sleeping bag

Sea To Summit Traveller Tr1 Sleeping Bag (14 degrees C) Includes lightweight Ultra−Sil Compression sack for maximum compression when travelling

Sea To Summit Traveller Tr1 Sleeping Bag

Sea To Summit Traveller Tr1 Sleeping Bag

Sea to Summit Traveller Tr1 Sleeping Bag (14 °C)

$233.05

Best price guarantee

Sea To Summit Ascent Down Sleeping Bag −1C|30F − Regular − Technical all−rounder with warmth−retaining construction, high−lofting down, room to sleep comfortably, and unmatched ventilation

Sea To Summit Ascent Down Sleeping Bag −1C|30F − Long − Technical all−rounder with warmth−retaining construction, high−lofting down, room to sleep comfortably, and unmatched ventilation

Sea to Summit Ascent Down Sleeping Bag −1C|30F

$539.00 - $584.00

Best price guarantee

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Provides comfort, plushness and space

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Multiple zips allow for temperature adjustment or use as a quilt

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Vertical baffles over the chest to prevent down migration and cold spots

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Ultra−wide rectangular shape

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − High−quality R.D.S certified 750+ loft down fill

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Ultra−wide rectangular shape

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Snuggle up in superior insulation

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Panelled footbox and 3D hood prevents down from being compressed

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Handy pocket for valuables

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Multiple zips allow for temperature adjustment or use as a quilt

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Compression sack included

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Compact compression sack

Sea to Summit Amplitude Am2 Sleeping Bag (2 degrees C) − Carry bag included

Sea to Summit Amplitude Am2 Sleeping Bag (2°C)

$314.03 - $341.02

Best price guarantee

Sea to Summit Traveller Tr2 Sleeping Bag (5° C)

Sea to Summit Traveller Tr2 Sleeping Bag (5 degrees C)

Sea to Summit Traveller Tr2 Sleeping Bag (5 degrees C)

Sea to Summit Traveller Tr2 Sleeping Bag (5 degrees C)

Sea To Summit Traveller Tr2 Sleeping Bag (5 degrees C)

Sea To Summit Traveller Tr2 Sleeping Bag (5 degrees C) Shoulder and foot drawcords cinch the bag tight to retain maximum warmth

Sea To Summit Traveller Tr2 Sleeping Bag (5 degrees C) Zip two Travellers together for adventuring couples

Sea To Summit Traveller Tr2 Sleeping Bag (5 degrees C) Includes lightweight Ultra−Sil Compression sack for maximum compression when travelling

Sea To Summit Traveller Tr2 Sleeping Bag

Sea To Summit Traveller Tr2 Sleeping Bag

Sea to Summit Traveller Tr2 Sleeping Bag (5° C)

$269.04

Best price guarantee

Sea to Summit Flame Fm1 Wmn's Sleeping Bag (9 degrees C) − RDS certified 850+ Loft premium goose down

Sea to Summit Flame Fm1 Wmn's Sleeping Bag (9 degrees C) − Sewn−through baffles to prevent down moving

Sea To Summit Flame Fm1 Wmn's Sleeping Bag (9 degrees C) − Contoured mummy design which is wider at the hips and narrower at the shoulders

Sea To Summit Flame Fm1 Wmn's Sleeping Bag (9 °C) − 10D nylon shell and 7D lining for minimal weight and packed size

Sea To Summit Flame Fm1 Wmn's Sleeping Bag (9 °C) − Light gauge #3 YKK zip

Sea To Summit Flame Fm1 Wmn's Sleeping Bag (9 °C) − size comparison with Camelbak bottle

Sea To Summit Flame Fm1 Wmn's Sleeping Bag

Sea To Summit Flame Fm1 Wmn's Sleeping Bag

Sea to Summit Flame Fm1 Women's Sleeping Bag (9 °C)

$224.05 - $296.03

Best price guarantee

Sea to Summit Spark SP1 Sleeping Bag (9 degrees C) − Ultralight 7D and 10D fabrics for minimal weight and packed size

Sea to Summit Spark SP1 Sleeping Bag (9 degrees C) − Sewn−through baffles on the chest prevent the down from movin

Sea to Summit Spark SP1 Sleeping Bag (9 degrees C) − Comfortable mummy shape

Sea To Summit Spark SP1 Sleeping Bag − RDS certified 850+ Loft premium goose down

Sea To Summit Spark SP1 Sleeping Bag − Contoured mummy design for efficient insulation

Sea To Summit Spark SP1 Sleeping Bag − Comfortable footbox

Sea To Summit Spark SP1 Sleeping Bag − Light gauge #3 YKK zip

Sea To Summit Spark SP1 Sleeping Bag − Size comparison with Camelbak bottle

Sea To Summit Spark SP1 Sleeping Bag

Sea To Summit Spark SP1 Sleeping Bag

Sea to Summit Spark SP1 Sleeping Bag (9 °C)

$296.03 - $377.02

Best price guarantee

Sea To Summit Spark Down Sleeping Bag −9C|15F − Regular − Ultralight and packable performance sleeping bag

Sea To Summit Spark Down Sleeping Bag −9C|15F − Long − Ultralight and packable performance sleeping bag

Sea to Summit Spark Down Sleeping Bag −9C|15F

$719.00 - $764.00

Best price guarantee

Sea to Summit Trek Tk1 Sleeping Bag (5 degrees C) − Tapered rectangular design which provides extra room

Sea to Summit Trek Tk1 Sleeping Bag (5 degrees C) − Two−way side and separate foot zip allow for use as a quilt

Sea to Summit Trek Tk1 Sleeping Bag (5 degrees C) − Vertical chest baffles prevent down migration and cold spots

Sea to Summit Trek Tk1 Sleeping Bag (5 degrees C) − 3D hood draws in tight when needed

Sea To Summit Trek Tk1 Sleeping Bag (5 degrees C) − Trek Tk1 has baffled top and stitch through base construction

Sea To Summit Trek Tk1 Sleeping Bag (5 degrees C) − Tapered rectangular for more space and comfort than a traditional mummy bag

Sea To Summit Trek Tk1 Sleeping Bag (5 degrees C) − Two−way #5 YKK side and separate foot zip allows bag to double as a quilt and provides extra ventilation options

Sea To Summit Trek Tk1 Sleeping Bag (5 degrees C) − Vertical chest baffles prevent down migration and cold spots

Sea To Summit Trek Tk1 Sleeping Bag (5 degrees C) − Large internal security pocket

Sea To Summit Trek Tk1 Sleeping Bag

Sea To Summit Trek Tk1 Sleeping Bag

Sea to Summit Trek Tk1 Sleeping Bag (5 °C)

$215.05 - $224.05

Best price guarantee

Sea to Summit Venture Vt2 Wmn's Sleeping Bag (−5 degrees C) − Featuring layers of looped THERMOLITE insulation which traps warm air to keep you comfortable

Sea to Summit Venture Vt2 Wmn's Sleeping Bag (−5 degrees C) − The full length two−way right−side zip and separate foot zip allows for use as a quilt

Sea to Summit Venture Vt2 Wmn's Sleeping Bag (−5 degrees C) − Lightweight and compressible 30D DWR nylon shell and 20D nylon lining

Sea to Summit Venture Vt2 Wmn's Sleeping Bag (−5 degrees C) − Tapered hood for comfort

Sea To Summit Venture Vt2 Right Zip Wmn's Sleeping Bag (−5°C) − Oversized anti−snag zip draft tubes and neck draft tube

Sea To Summit Venture Vt2 Right Zip Wmn's Sleeping Bag (−5°C) − Extra insulation in the footbox

Sea to Summit Venture Vt2 Wmn's Sleeping Bag (−5 degrees C) − Rectangular shape with narrower shoulders and wider hips

Sea To Summit Venture Vt2 Right Zip Wmn's Sleeping Bag (−5°C) − Oversized anti−snag zip draft tubes and neck draft tube

Sea to Summit Venture Vt2 Wmn's Sleeping Bag (−5 degrees C) − Compact compression sack

Sea To Summit Venture Vt2 Wmn's Sleeping Bag

Sea to Summit Venture Vt2 Women's Sleeping Bag (−5 °C)

$269.90 - $299.90

Best price guarantee

Sea to Summit Spark SP0 Sleeping Bag (14 degrees C) − Ultralight 7D and 10D fabrics for minimal weight and packed size

Sea to Summit Spark SP0 Sleeping Bag (14 degrees C) − Contoured mummy design for efficient insulation

Sea to Summit Spark SP0 Sleeping Bag (14 degrees C) − Sewn through quilted construction

Sea to Summit Spark SP0 Sleeping Bag − 7D − RDS certified 850+ Loft premium goose down

Sea to Summit Spark SP0 Sleeping Bag − Comfortable footbox

Sea to Summit Spark SP0 Sleeping Bag − Contoured mummy shape to maximise insulation

Sea to Summit Spark SP0 Sleeping Bag − Light gauge number 3 YKK zip

Sea to Summit Spark SP0 Sleeping Bag − Integrated stuff sack with size comparison

Sea to Summit Spark SP0 Sleeping Bag

Sea to Summit Spark SP0 Sleeping Bag

Sea to Summit Spark SP0 Sleeping Bag (14 °C)

$269.04

Best price guarantee

Sea to Summit Silk Blend Sleeping Bag Liner − Rectangular with Pillow Sleeve − Features Comfort Stretch Panels along the seams to boost sleeping comfort

Sea to Summit Silk Blend Sleeping Bag Liner − Rectangular with Pillow Sleeve − Creates soft sleeping environment

Sea to Summit Silk Blend Sleeping Bag Liner − Rectangular with Pillow Sleeve − Rectangular with Pillow Sleeve is a great hygienic sleep sheet wherever you travel

Sea to Summit Silk Blend Sleeping Bag Liner − Rectangular with Pillow Sleeve − Storage Case

Sea to Summit Silk Blend Sleeping Bag Liner − Rectangular with Pillow Sleeve

$169.99

Best price guarantee

Sea to Summit Reactor Sleeping Bag Liner − Compact Mummy (Drawcord) − Exceptional warmth, versatility and freedom of movement in stretch knit comfort

Sea to Summit Reactor Sleeping Bag Liner − Mummy (No Drawcord) −

Yellow

Sea to Summit Reactor Sleeping Bag Liner

$99.99 - $119.99

Best price guarantee

Sea to Summit Reactor Extreme Sleeping Bag Liner −

Sea to Summit Reactor Extreme Sleeping Bag Liner −

Sea to Summit Reactor Extreme Sleeping Bag Liner −

Sea to Summit Reactor Extreme Sleeping Bag Liner −

Sea to Summit Reactor Extreme Sleeping Bag Liner −

Sea to Summit Reactor Extreme Sleeping Bag Liner −

Sea to Summit Reactor Extreme Sleeping Bag Liner −

Sea to Summit Reactor Extreme Sleeping Bag Liner −

Sea to Summit Reactor Extreme Sleeping Bag Liner

Sea to Summit Reactor Extreme Sleeping Bag Liner

Sea to Summit Reactor Extreme Sleeping Bag Liner

Sea to Summit Reactor Extreme Sleeping Bag Liner

Sea to Summit Reactor Extreme Sleeping Bag Liner

$134.99

Best price guarantee

Sea to Summit Breeze Sleeping Bag Liner − Mummy − Eco−blend material provides stretch comfort and excellent moisture management

Sea to Summit Breeze Sleeping Bag Liner − Mummy − Mummy version has a drawcord footbox for optimal comfort

Sea to Summit Breeze Sleeping Bag Liner − Mummy − Coolmax fabric technology keeps you dry and comfortable by wicking moisture from the skin

Sea to Summit Breeze Sleeping Bag Liner − Mummy − Drawcord footbox for optimal comfort

Sea to Summit Breeze Sleeping Bag Liner − Mummy − Shoulder openings integrate perfectly with the Free−Flow Zip system in select Sea to Summit sleeping bags

Sea to Summit Breeze Sleeping Bag Liner − Mummy − Features base and shoulder openings for comfort and mobility

Sea to Summit Breeze Sleeping Bag Liner − Mummy − Open the base drawcord, and you can hitch the liner up and walk − perfect for bathroom breaks

Sea to Summit Breeze Sleeping Bag Liner − Mummy − Storage Case

Sea to Summit Breeze Sleeping Bag Liner − Mummy

$109.99

Best price guarantee

Sea To Summit Traveller Down Sleeping Bag 7C|45F − Regular − Super versatile sleeping bag with full−length zipper, shoulder & footbox drawcords and an incredibly small packed size

Sea To Summit Traveller Down Sleeping Bag 7C|45F − Long − Super versatile sleeping bag with full−length zipper, shoulder & footbox drawcords and an incredibly small packed size

Sea to Summit Traveller Down Sleeping Bag 7C|45F

$269.00 - $314.00

Best price guarantee

Sea to Summit Comfort Blend Sleeping Bag Liner −

Sea to Summit Comfort Blend Sleeping Bag Liner −

Sea to Summit Comfort Blend Sleeping Bag Liner −

Sea to Summit Comfort Blend Sleeping Bag Liner −

Sea to Summit Comfort Blend Sleeping Bag Liner

$54.99 - $69.99

Best price guarantee

Sea To Summit Trek Down Sleeping Bag −9C|15F − Regular − Versatile and spacious bag for camping and vehicle−based adventures

Sea To Summit Trek Down Sleeping Bag −9C|15F − Long − Versatile and spacious bag for camping and vehicle−based adventures

Sea to Summit Trek Down Sleeping Bag −9C|15F

$539.00 - $584.00

Best price guarantee

Sea To Summit Trek Women's Down Sleeping Bag −9C|15F − Regular − Women's specific versatile and spacious bag for camping and vehicle−based adventures

Sea To Summit Trek Women's Down Sleeping Bag −9C|15F − Long − Women's specific versatile and spacious bag for camping and vehicle−based adventures

Sea to Summit Trek Women's Down Sleeping Bag −9C|15F

$539.00 - $584.00

Best price guarantee

Sea to Summit Silk Blend Sleeping Bag Liner − Mummy Shaped Silk Blend liner adds warmth and a touch of luxury to your sleeping bag

Sea to Summit Silk Blend Sleeping Bag Liner − Practical shoulder openings which aid with temperature regulation

Sea to Summit Silk Blend Sleeping Bag Liner − Storage Case

Sea to Summit Silk Blend Sleeping Bag Liner − Mummy

Sea to Summit Silk Blend Sleeping Bag Liner − Mummy

$179.99

Best price guarantee

Sea to Summit Trailhead Th2 Sleeping Bag (5 degrees C) − Lightweight and compressible 30D DWR nylon shell and 20D nylon lining

Sea to Summit Trailhead Th2 Sleeping Bag (5 degrees C) − Full length side and foot zip allows the bag to be opened and used as a quilt

Sea to Summit Trailhead Th2 Sleeping Bag (5 degrees C) − WaveLoft looped synthetic insulation

Sea To Summit Trailhead Th2 Sleeping Bag (5 degrees C) − Comfortable tapered hood

Sea To Summit Trailhead Th2 Sleeping Bag (5 degrees C) − Tapered rectangular shape providing extra room in comparison to traditional mummy−shaped bags

Sea To Summit Trailhead Th2 Sleeping Bag (5 degrees C) − Second zip slider in the footbox provides extra ventilation and temperature adjustment

Sea To Summit Trailhead Th2 Sleeping Bag (5 degrees C) − Lining fabrics are attached to the shell fabric to prevent tangles

Sea To Summit Trailhead Th2 Sleeping Bag (5 degrees C) − Oversized zip draft tubes with anti−snag

Sea to Summit Trailhead Th2 Sleeping Bag (5 degrees C) − Compression bag and stuff sack included

Sea to Summit Trailhead Th2 Sleeping Bag (5 degrees C)

Sea to Summit Trailhead Th2 Sleeping Bag (5 °C)

$189.90 - $209.90

Best price guarantee

Sea to Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Lightweight and compressible 30D DWR nylon shell and 20D nylon lining

Sea to Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Full−length side and foot zip allows the bag to be opened and used as a quilt

Sea to Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Tapered rectangular shape

Sea To Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Tapered hood for comfort

Sea To Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Second zip slider in the footbox provides extra ventilation and temperature adjustment

Sea To Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Including WaveLoft looped synthetic insulation

Sea To Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Lining fabrics are attached to the shell fabric to prevent tangles

Sea To Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Oversized zip draft tubes with anti−snag

Sea To Summit Trailhead Th3 Sleeping Bag (−1 degrees C) − Size comparison with Camelbak bottle

Sea To Summit Trailhead Th3 Sleeping Bag (−1°C)

Sea to Summit Trailhead Th3 Sleeping Bag (−1 °C)

$209.90 - $219.90

Best price guarantee

Sea to Summit Traverse Tv2 Sleeping Bag (2 degrees C) − Lightweight and compressible 30D DWR nylon shell and 20D nylon lining

Sea to Summit Traverse Tv2 Sleeping Bag (2 degrees C) − Full length, two−way left side zip and separate foot zip transforms it into a full quilt

Sea to Summit Traverse Tv2 Sleeping Bag (2 degrees C) − Lining fabrics attached to the shell

Sea to Summit Traverse Tv2 Sleeping Bag (2 degrees C) − Features a tapered rectangular shape

Sea To Summit Traverse Tv2 Sleeping Bag (2 degrees C) − Free−Flow triple−zip design

Sea To Summit Traverse Tv2 Sleeping Bag (2 degrees C) − Layers of looped THERMOLITE insulation to trap warm air

Sea To Summit Traverse Tv2 Sleeping Bag (2 degrees C) − WaveLoft construction − layers of looped THERMOLITE insulation to trap warmth

Sea To Summit Traverse Tv2 Sleeping Bag (2 degrees C) − Anatomically shaped footbox for extra space

Sea To Summit Traverse Tv2 Sleeping Bag (2 degrees C) − Free−Flow triple−zip design

Sea To Summit Traverse Tv2 Sleeping Bag (2°C) − Size comparison with a Camelbak bottle

Sea to Summit Traverse Tv2 Sleeping Bag (2 degrees C)

Sea to Summit Traverse Tv2 Sleeping Bag

Sea to Summit Traverse Tv2 Sleeping Bag (2 °C)

$249.90 - $269.90

Best price guarantee

Sea to Summit Flame Fm0 Wmn's Sleeping Bag (13 degrees C) − Filled with RDS 850+ Loft premium goose down

Sea to Summit Flame Fm0 Wmn's Sleeping Bag (13 degrees C) − Contoured mummy design for insulation

Sea to Summit Flame Fm0 Wmn's Sleeping Bag (13 degrees C) − Contoured mummy design

Sea to Summit Flame Fm0 Wmn's Sleeping Bag (13 degrees C) − 10D nylon shell and 7D lining for minimal weight and packed size

Sea to Summit Flame Fm0 Wmn's Sleeping Bag (13 degrees C) − Comfortable footbox

Sea to Summit Flame Fm0 Wmn's Sleeping Bag (13 degrees C) − Sewn−through box baffle construction to keep down in position

Sea to Summit Flame Fm0 Wmn's Sleeping Bag (13 °C) − Light gauge #3 YKK zip

Sea to Summit Flame Fm0 Wmn's Sleeping Bag (13 °C) − Integrated stuff sack and size comparison

Sea to Summit Flame Fm0 Wmn's Sleeping Bag

Sea to Summit Flame Fm0 Wmn's Sleeping Bag

Sea to Summit Flame Fm0 Women's Sleeping Bag (13°C)

$242.05

Best price guarantee

Sea to Summit Quest Qu1 Wmn's Sleeping Bag (3 degrees C) − 30D DWR nylon shell and 20D nylon lining is lightweight and compressible

Sea to Summit Quest Qu1 Wmn's Sleeping Bag (3 degrees C) − Full−length right−side zip allows the bag to be opened flat and used as a quilt

Sea to Summit Quest Qu1 Wmn's Sleeping Bag (3 degrees C) − WaveLoft construction to trap pockets of warm air

Sea To Summit Quest Qu1 Right Zip Wmn's Sleeping Bag (3 degrees C) − Draw string hood to keep you warm

Sea To Summit Quest Qu1 Right Zip Wmn's Sleeping Bag (3 degrees C) − Tapered rectangular shape and women's specific fit

Sea To Summit Quest Qu1 Right Zip Wmn's Sleeping Bag (3 degrees C) − Oversized zip draft tubes with anti−snag

Sea To Summit Quest Qu1 Right Zip Wmn's Sleeping Bag (3 degrees C) Thicker footbox insulation for increased warmth

Sea To Summit Quest Qu1 Right Zip Wmn's Sleeping Bag (3 degrees C) Full length #5 YKK zip allows bag to open out flat and be used as a quilt

Sea To Summit Quest Qu1 Right Zip Wmn's Sleeping Bag (3 degrees C) − Includes stuff sack

Sea To Summit Quest Qu1 Right Zip Wmn's Sleeping Bag (3 degrees C)

Sea To Summit Quest Qu1 Wmn's Sleeping Bag

Sea to Summit Quest Qu1 Women's Sleeping Bag (3 °C)

$189.90 - $209.90

Best price guarantee

Sea to Summit Quest Qu2 Wmn's Sleeping Bag (−1 degrees C) − WaveLoft construction to trap pockets of warm air

Sea to Summit Quest Qu2 Wmn's Sleeping Bag (−1 degrees C) − Full−length right−side zip allows the bag to be opened flat and used as a quilt

Sea to Summit Quest Qu2 Wmn's Sleeping Bag (−1 degrees C) − Tapered rectangular shape and women's specific fit

Sea To Summit Quest Qu2 Right Zip Wmn's Sleeping Bag (−1 degrees C) − Draw string to keep you warm

Sea To Summit Quest Qu2 Right Zip Wmn's Sleeping Bag (−1 degrees C) − Thicker insulation in the footbox to reduce cold feet waking you up

Sea To Summit Quest Qu2 Right Zip Wmn's Sleeping Bag (−1 degrees C) − Tapered rectangular shape

Sea To Summit Quest Qu2 Right Zip Wmn's Sleeping Bag (−1 degrees C) − 30D DWR nylon shell and 20D nylon lining is lightweight and compressible

Sea To Summit Quest Qu2 Right Zip Wmn's Sleeping Bag (−1 degrees C) − Oversized zip draft tubes with anti−snag

Sea To Summit Quest Qu2 Right Zip Wmn's Sleeping Bag (−1 degrees C) − Size comparison with Camelbak bottle

Sea To Summit Quest Qu2 Wmn's Sleeping Bag

Sea to Summit Quest Qu2 Women's Sleeping Bag (−1 °C)

$209.90 - $219.90

Best price guarantee

Sea To Summit Spark Women's Down Sleeping Bag −9C|15F − Regular − Ultralight, packable sleeping bag shaped to fit the way a woman sleeps

Sea To Summit Spark Women's Down Sleeping Bag −9C|15F − Long − Ultralight, packable sleeping bag shaped to fit the way a woman sleeps

Sea to Summit Spark Women's Down Sleeping Bag −9C|15F

$719.00 - $764.00

Best price guarantee

Sea To Summit Alpine Down Sleeping Bag −29C|−20F − Regular − Alpine sleeping bag featuring the highest quality Ultra−Dry down and a contoured mummy fit for efficient insulation

Sea To Summit Alpine Down Sleeping Bag −29C|−20F − Long − Alpine sleeping bag featuring the highest quality Ultra−Dry down and a contoured mummy fit for efficient insulation

Sea to Summit Alpine Down Sleeping Bag −29C|−20F

$1,169.00 - $1,259.00

Best price guarantee

Sea To Summit Ascent Down Sleeping Bag −9C|15F − Regular− Technical all−rounder with warmth−retaining construction, high−lofting down, room to sleep comfortably, and unmatched ventilation

Sea To Summit Ascent Down Sleeping Bag −9C|15F − Long − Technical all−rounder with warmth−retaining construction, high−lofting down, room to sleep comfortably, and unmatched ventilation

Sea to Summit Ascent Down Sleeping Bag −9C|15F

$674.00 - $719.00

Best price guarantee

Sea To Summit Ascent Women's Down Sleeping Bag −1C|30F − Regular − Women's specific construction including high−lofting down for the perfect shape and unmatched ventilation

Sea To Summit Ascent Women's Down Sleeping Bag −1C|30F − Long − Women's specific construction including high−lofting down for the perfect shape and unmatched ventilation

Sea to Summit Ascent Women's Down Sleeping Bag −1C|30F

$539.00 - $584.00

Best price guarantee

Sea To Summit Ascent Women's Down Sleeping Bag −9C|15F − Regular − Women's specific construction including high−lofting down for the perfect shape and unmatched ventilation

Sea To Summit Ascent Women's Down Sleeping Bag −9C|15F − Long − Women's specific construction including high−lofting down for the perfect shape and unmatched ventilation

Sea to Summit Ascent Women's Down Sleeping Bag −9C|15F

$674.00 - $719.00

Best price guarantee

Sea To Summit Spark Pro Down Sleeping Bag −1C|30F − Regular − Lightweight yet incredibly versatile sleeping bag with 950+ fillpower RDS−certified goose down

Sea To Summit Spark Pro Down Sleeping Bag −1C|30F − Long − Lightweight yet incredibly versatile sleeping bag with 950+ fillpower RDS−certified goose down

Sea to Summit Spark Pro Down Sleeping Bag −1C|30F

$764.00 - $809.00

Best price guarantee

Sea To Summit Spark Pro Down Sleeping Bag −9C|15F − Regular − Lightweight yet incredibly versatile sleeping bag with 950+ fillpower RDS−certified goose down

Sea To Summit Spark Pro Down Sleeping Bag −9C|15F − Long − Lightweight yet incredibly versatile sleeping bag with 950+ fillpower RDS−certified goose down

Sea to Summit Spark Pro Down Sleeping Bag −9C|15F

$899.00 - $944.00

Best price guarantee

Sea To Summit Spark Down Sleeping Bag 7C|45F − Regular − Ultralight and packable performance sleeping bag

Sea To Summit Spark Down Sleeping Bag 7C|45F − Long − Ultralight and packable performance sleeping bag

Sea To Summit Spark Down Sleeping Bag 7C|45F − Long − Ultralight and packable performance sleeping bag

Sea to Summit Spark Down Sleeping Bag 7C|45F

$449.00 - $494.00

Best price guarantee

Sea To Summit Spark Down Sleeping Bag −1C|30F − Regular − Ultralight and packable performance sleeping bag

Sea To Summit Spark Down Sleeping Bag −1C|30F − Long − Ultralight and packable performance sleeping bag

Sea to Summit Spark Down Sleeping Bag −1C|30F

$584.00 - $629.00

Best price guarantee

Sea To Summit Spark Down Double Sleeping Bag −9C|15F − Ultralight and packable performance double sleeping bag

Sea To Summit Spark Down Double Sleeping Bag −9C|15F − RDS−certified, 850+ fillpower goose down with a non−PFC Ultra−Dry Down treatment for maximum thermal performance

Sea To Summit Spark Down Double Sleeping Bag −9C|15F − 10D shell with a non−PFC DWR

Sea To Summit Spark Down Double Sleeping Bag −9C|15F − Ideal for ultralight backpacking couples

Sea To Summit Spark Down Double Sleeping Bag −9C|15F − Ultra−Sil™ Compression Bag

Sea to Summit Spark Down Double Sleeping Bag −9C|15F

$1,124.00

10% off

RRP

Sea To Summit Spark Down Sleeping Bag −18C|0F − Regular − Ultralight and packable performance sleeping bag

Sea To Summit Spark Down Sleeping Bag −18C|0F − Long − Ultralight and packable performance sleeping bag

Sea to Summit Spark Down Sleeping Bag −18C|0F

$899.00 - $944.00

Best price guarantee

Sea To Summit Spark Women's Down Sleeping Bag 7C|45F − Regular − Ultralight, packable sleeping bag shaped to fit the way a woman sleeps

Sea To Summit Spark Women's Down Sleeping Bag 7C|45F − Long − Ultralight, packable sleeping bag shaped to fit the way a woman sleeps

Sea to Summit Spark Women's Down Sleeping Bag 7C|45F

$449.00 - $494.00

Best price guarantee

Sea To Summit Spark Women's Down Sleeping Bag −1C|30F − Regular − Ultralight, packable sleeping bag shaped to fit the way a woman sleeps

Sea To Summit Spark Women's Down Sleeping Bag −1C|30F − Long − Ultralight, packable sleeping bag shaped to fit the way a woman sleeps

Sea to Summit Spark Women's Down Sleeping Bag −1C|30F

$584.00 - $629.00

Best price guarantee

Sea To Summit Trek Down Sleeping Bag −1C|30F − Regular − Versatile and spacious bag for camping and vehicle−based adventures

Sea To Summit Trek Down Sleeping Bag −1C|30F − Long − Versatile and spacious bag for camping and vehicle−based adventures

Sea to Summit Trek Down Sleeping Bag −1C|30F

$449.00 - $494.00

Best price guarantee

Sea To Summit Basecamp Down Sleeping Bag −9C|15F − Regular −

Sea To Summit Basecamp Down Sleeping Bag −9C|15F − Long −

Sea to Summit Basecamp Down Sleeping Bag −9C|15F

$629.00 - $674.00

Best price guarantee

Sea to Summit Venture Vt1 Wmn's Sleeping Bag (0 degrees C) − Lightweight and compressible 30D DWR nylon shell and 20D nylon lining

Sea to Summit Venture Vt1 Wmn's Sleeping Bag (0 degrees C) − The full length two−way right−side zip and separate foot zip allows for use as a quilt

Sea to Summit Venture Vt1 Wmn's Sleeping Bag (0 degrees C) − Half zip on the left so you can fold it down to free up your arms

Sea to Summit Venture Vt1 Wmn's Sleeping Bag (0 degrees C) − WaveLoft looped THERMOLITE insulation to trap warmth

Sea to Summit Venture Vt1 Wmn's Sleeping Bag (0 degrees C) − Tapered hood for comfort

Sea To Summit Venture Vt1 Right Zip Wmn's Sleeping Bag (0 degrees C) − Rectangular shape with narrower shoulders and wider hips

Sea To Summit Venture Vt1 Right Zip Wmn's Sleeping Bag (0 degrees C) − Oversized anti−snag zip draft tubes and neck draft tube

Sea To Summit Venture Vt1 Right Zip Wmn's Sleeping Bag (0 degrees C) − Anatomically shaped footbox for extra space

Sea To Summit Venture Vt1 Right Zip Wmn's Sleeping Bag (0 degrees C) − Oversized anti−snag zip draft tubes and neck draft tube

Sea To Summit Venture Vt1 Right Zip Wmn's Sleeping Bag (0 degrees C) − Size comparison with Camelbak bottle

Sea To Summit Venture Vt1 Wmn's Sleeping Bag

Sea to Summit Venture Vt1 Women's Sleeping Bag (0 °C)

$249.90 - $269.90

Best price guarantee

Sea To Summit Trek Down Sleeping Bag −18C|0F − Regular − Versatile and spacious bag for camping and vehicle−based adventures

Sea To Summit Trek Down Sleeping Bag −18C|0F − Long − Versatile and spacious bag for camping and vehicle−based adventures

Sea to Summit Trek Down Sleeping Bag −18C|0F

$629.00 - $674.00

Best price guarantee

Sea To Summit Trek Women's Down Sleeping Bag −1C|30F − Regular − Women's specific versatile and spacious bag for camping and vehicle−based adventures

Sea To Summit Trek Women's Down Sleeping Bag −1C|30F − Long − Women's specific versatile and spacious bag for camping and vehicle−based adventures

Sea to Summit Trek Women's Down Sleeping Bag −1C|30F

$449.00 - $494.00

Best price guarantee

Sea to Summit Breeze Sleeping Bag Liner − Rectangular with Pillow Sleeve − Eco−blend material provides stretch comfort and excellent moisture management

Sea to Summit Breeze Sleeping Bag Liner − Rectangular with Pillow Sleeve − Rectangular shape with standard−size pillow sleeve is perfect for hostels and budget hotels

Sea to Summit Breeze Sleeping Bag Liner − Rectangular with Pillow Sleeve − Coolmax fabric technology keeps you dry and comfortable by wicking moisture from the skin

Sea to Summit Breeze Sleeping Bag Liner − Rectangular with Pillow Sleeve − Storage Case

Sea to Summit Breeze Sleeping Bag Liner − Rectangular with Pillow Sleeve

$99.99

Best price guarantee

Sea to Summit Reactor Fleece Sleeping Bag Liner −

Sea to Summit Reactor Fleece Sleeping Bag Liner −

Sea to Summit Reactor Fleece Sleeping Bag Liner −

Sea to Summit Reactor Fleece Sleeping Bag Liner −

Sea to Summit Reactor Fleece Sleeping Bag Liner −

Sea to Summit Reactor Fleece Sleeping Bag Liner −

Sea to Summit Reactor Fleece Sleeping Bag Liner −

Sea to Summit Reactor Fleece Sleeping Bag Liner −

Sea to Summit Reactor Fleece Sleeping Bag Liner

$149.99

Best price guarantee

Load more