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Buying guide
Buying guide

Sea To Summit Sleeping Bags

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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.

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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
Sea to Summit Reactor Extreme Sleeping Bag Liner
(3)

Sea to Summit Reactor Extreme Sleeping Bag Liner

$$99.90
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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

$$127.90
20% off
RRP
1
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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

$$39.90 - $$47.90
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Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − An eco−friendly, high−performance sleeping bag designed for adventurers who embrace the outdoors year−round
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Temperature rating of −1°C for milder climates
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Full−length side zipper with double sliders extends through the footbox for customisable ventilation or to open as a quilt
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Weight−efficient Contour shape is ideal for side−sleepers
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Technical hood, a draught collar, and draught tubes retain your warmth on chilly evenings
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Roomy footbox
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Free−Flow full length zipper with double sliders and short side zipper provide variability and customisable ventilation
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − The Free−Flow full−length zipper with double sliders and a short side zipper offer adjustable ventilation and flexibility
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Pair with Hamelin Women's Synthetic Sleeping Bag
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Storage bag with compression straps
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Compression sack
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Compression sack
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Storage bag with compression straps
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Soft, packable, recycled insulation is strategically placed to enhance core warmth
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Double zipper sliders let you customize your ventilation
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − YKK #5 zipper with zip plough provides reliable, snag−free operation
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Quilt Lock snaps
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Technical hood, a draught collar and draught tubes retain your warmth on chilly evenings
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Weight−efficient Contour shape is ideal for side−sleepers
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − The secondary side zipper provides arms−free functionality
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Pair with Hamelin Women's Synthetic Sleeping Bag
Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F − Synthetic fill ensures warmth, even in damp or wet conditions

Sea to Summit Hamelin Synthetic Sleeping Bag −1C|30F

$$229.90 - $$259.90
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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
(1)

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

$$479.90 - $$519.90
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Sea To Summit Basecamp Down Sleeping Bag −9C|15F − Regular −
Sea To Summit Basecamp Down Sleeping Bag −9C|15F − Long −
(1)

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

$$559.90 - $$599.90
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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
(3)

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

$$239.90 - $$279.90
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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
(1)

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

$$479.90 - $$519.90
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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

$$99.90
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Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Spacious, synthetic sleeping bag designed for cozy camping nights, perfect for water−based activities or trekking adventures
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Full−length YKK #5 zipper with dual sliders and zipper plough for snag−free operation
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Roomy, tapered rectangular shape ideal for side−sleepers
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Draft tube along zipper for enhanced heat retention
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Revive Loft insulation for reliable warmth
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Roomy footbox
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Compression Bag
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Storage bag with compression straps
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Compression sack
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Full side zipper extends through the footbox to use as a blanket
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Roomy, tapered rectangular shape is ideal for side−sleepers
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − YKK #5 zipper with zip plough provides reliable, snag−free operation
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Double zipper sliders let you customize your ventilation
Sea to Summit Boab Synthetic Sleeping Bag −1C|30F − Storage sack with compression straps

Sea to Summit Boab Synthetic Sleeping Bag −1C|30F

$$159.90 - $$179.90
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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

$$424.90 - $$469.90
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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
(1)

Sea to Summit Silk Blend Sleeping Bag Liner − Mummy

$$127.90
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Sea to Summit Reactor Sleeping Bag Liner − Mummy (Drawcord) − Exceptional warmth, versatility and freedom of movement in stretch knit comfort
(3)

Sea to Summit Reactor Sleeping Bag Liner

$$87.90
20% off
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1
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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
(1)

Sea to Summit Breeze Sleeping Bag Liner − Mummy

$$87.90
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Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Spacious, synthetic sleeping bag designed for cozy camping nights, perfect for water−based activities or trekking adventures
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − 50 Denier, RCS−certified recycled shell and liner
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Full−length YKK #5 zipper with dual sliders and zipper plough for snag−free operation
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Roomy, tapered rectangular shape ideal for side−sleepers
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Revive Loft insulation for reliable warmth
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Draft tube along zipper for enhanced heat retention
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Roomy footbox
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Full side zipper extends through the footbox to use as a blanket
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Compression Bag
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Storage bag with compression straps
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Compression sack
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Storage sack with compression straps
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − RCS−certified 50D recycled shell and liner with non−PFAS DWR finish
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − YKK #5 zipper with zip plough provides reliable, snag−free operation
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Double zipper sliders let you customize your ventilation
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Full side zipper extends through the footbox to use as a blanket
Sea to Summit Boab Synthetic Sleeping Bag −9C|15F − Roomy, tapered rectangular shape is ideal for side−sleepers

Sea to Summit Boab Synthetic Sleeping Bag −9C|15F

$$179.90 - $$199.90
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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
(1)

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

$$599.90 - $$639.90
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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

$$599.90 - $$639.90
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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
(1)

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

$$424.90 - $$469.90
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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

$$509.90 - $$549.90
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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

$$589.90 - $$639.90
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Sea To Summit Spark Pro Down Sleeping Bag −9C|15F − Regular − Lightweight yet incredibly versatile sleeping bag with 900+ fillpower RDS−certified goose down
Sea To Summit Spark Pro Down Sleeping Bag −9C|15F − Long − Lightweight yet incredibly versatile sleeping bag with 900+ fillpower RDS−certified goose down
(2)

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

$$799.90 - $$839.90
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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

$$399.90 - $$439.90
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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
(1)

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

$$519.90 - $$559.90
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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
(4)

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

$$639.90 - $$679.90
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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

$$799.90 - $$839.90
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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

$$399.90 - $$439.90
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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

$$519.90 - $$559.90
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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
(3)

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

$$639.90 - $$679.90
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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

$$1,039.90 - $$1,119.90
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Sea to Summit Reactor Lightweight Liner − A lightweight, heat−boosting sleeping bag liner that enhances warmth, comfort, and freedom of movement while packing down small and staying fresh on extended adventures
Sea to Summit Reactor Lightweight Liner − Stretch−knit fabric and shaped arm openings allow unrestricted movement for natural comfort
Sea to Summit Reactor Lightweight Liner − Ergonomic design with fitted hood delivers optimal warmth without extra weight or bulk
Sea to Summit Reactor Lightweight Liner − Thermolite® Pro technology with hollow−core fibres and infrared−absorbing pigments
Sea to Summit Reactor Lightweight Liner − HeiQ Fresh odour control technology keeps liner fresh after extended use
Sea to Summit Reactor Lightweight Liner − Compact stuff sack
Sea to Summit Reactor Lightweight Liner − Traps heat with minimal pack size
Sea to Summit Reactor Lightweight Liner − Snap connectors pair with Sea to Summit bags for easy entry and exit
Sea to Summit Reactor Lightweight Liner − Stretch−knit fabric and shaped arm openings allow unrestricted movement for natural comfort

Sea to Summit Reactor Lightweight Liner

$$89.99
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Sea to Summit Circuit Down Sleeping Bag −1C|30F − Short Dark Blue − A premium down sleeping bag that delivers lightweight warmth, adjustable ventilation, and all−night comfort across changing temperatures
Sea to Summit Circuit Down Sleeping Bag −1C|30F − Regular Dark Blue − A premium down sleeping bag that delivers lightweight warmth, adjustable ventilation, and all−night comfort across changing temperatures
Sea to Summit Circuit Down Sleeping Bag −1C|30F − Long Dark Blue − A premium down sleeping bag that delivers lightweight warmth, adjustable ventilation, and all−night comfort across changing temperatures

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

$$359.90 - $$409.90
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Sea to Summit Circuit Down Sleeping Bag −9C|15F − A lightweight, packable down sleeping bag with adjustable ventilation and reliable, evenly distributed warmth for varied conditions
Sea to Summit Circuit Down Sleeping Bag −9C|15F − Regular Dark Blue − A lightweight, packable down sleeping bag with adjustable ventilation and reliable, evenly distributed warmth for varied conditions
Sea to Summit Circuit Down Sleeping Bag −9C|15F − Long Dark Blue − A lightweight, packable down sleeping bag with adjustable ventilation and reliable, evenly distributed warmth for varied conditions

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

$$439.90 - $$489.90
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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

$$999.90
23% off
RRP
1
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Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Lightweight, eco−friendly, and versatile sleeping bag designed for comfort in wet and varied conditions
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Temperature rating of −9°C for extreme conditions
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Full−length side zipper with double sliders extends through the footbox for customisable ventilation or to open as a quilt
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Weight−efficient Contour shape is ideal for side−sleepers
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Technical hood, a draught collar, and draught tubes retain your warmth on chilly evenings
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Free−Flow full length zipper with double sliders and short side zipper provide variability and customisable ventilation
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − The Free−Flow full−length zipper with double sliders and a short side zipper offer adjustable ventilation and flexibility
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Pair with Hamelin Women's Synthetic Sleeping Bag
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Storage bag with compression straps
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Compression sack
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Storage bag with compression straps
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Soft, packable, recycled insulation is strategically placed to enhance core warmth
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Weight−efficient Contour shape is ideal for side−sleepers
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Technical hood, a draught collar and draught tubes retain your warmth on chilly evenings
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Quilt Lock snaps
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − YKK #5 zipper with zip plough provides reliable, snag−free operation
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − The secondary side zipper provides arms−free functionality
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Double zipper sliders let you customize your ventilation
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Pair with Hamelin Women's Synthetic Sleeping Bag
Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F − Synthetic fill ensures warmth, even in damp or wet conditions

Sea to Summit Hamelin Synthetic Sleeping Bag −9C|15F

$$259.90 - $$287.90
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Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Women's−specific, performance−oriented synthetic sleeping bag
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Women's−specific relaxed mummy shape
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Full−length Free−Flow zip system with double sliders for customizable ventilation
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Full−length side zipper with double sliders extends through the footbox for customisable ventilation or to open as a quilt
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Technical hood, a draught collar and draught tubes retain your warmth on chilly evenings
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Women's Contour shape promotes natural sleeping positions
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Roomy footbox
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Dual−zipper Free−Flow system for customizable ventilation
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − The Free−Flow full−length zipper with double sliders and a short side zipper offer adjustable ventilation and flexibility
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Pair with Hamelin Synthetic Sleeping Bag
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Storage bag with compression straps
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Compression sack
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Storage bag with compression straps
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Storage bag with compression straps
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Constructed with recycled materials and bluesign−APPROVED fabrics
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Recycled Revive Loft insulation strategically placed for core warmth
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Recycled Revive Loft insulation strategically placed for core warmth
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Constructed with recycled materials and bluesign−APPROVED fabrics
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − YKK #5 zippers with zip plough for snag−free operation
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Quilt Lock snaps
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Secondary side zipper provides arm−free functionality
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F − Pair with Hamelin Synthetic Sleeping Bag

Sea to Summit Hamelin Women's Synthetic Sleeping Bag −1C|30F

$$239.90 - $$259.90
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Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Women's−specific, performance−oriented synthetic sleeping bag
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Women's−specific relaxed mummy shape
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Full−length Free−Flow zip system with double sliders for customizable ventilation
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Full−length side zipper with double sliders extends through the footbox for customisable ventilation or to open as a quilt
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Women's Contour shape promotes natural sleeping positions
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Technical hood, a draught collar and draught tubes retain your warmth on chilly evenings
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − The Free−Flow full−length zipper with double sliders and a short side zipper offer adjustable ventilation and flexibility
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Dual−zipper Free−Flow system for customizable ventilation
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Pair with Hamelin Synthetic Sleeping Bag
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Storage bag with compression straps
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Women's−specific, performance−oriented synthetic sleeping bag
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Storage bag with compression straps
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Storage bag with compression straps
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Constructed with recycled materials and bluesign−APPROVED fabrics
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Recycled Revive Loft insulation strategically placed for core warmth
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Technical hood, a draught collar and draught tubes retain your warmth on chilly evenings
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Recycled Revive Loft insulation strategically placed for core warmth
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Quilt Lock snaps
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − YKK #5 zippers with zip plough for snag−free operation
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Secondary side zipper provides arm−free functionality
Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F − Pair with Hamelin Synthetic Sleeping Bag

Sea to Summit Hamelin Women's Synthetic Sleeping Bag −9C|15F

$$224.00 - $$259.90
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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

$$79.90
20% off
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Sea To Summit Spark Pro Down Sleeping Bag −1C|30F − Regular − Lightweight yet incredibly versatile sleeping bag with 900+ fillpower RDS−certified goose down
Sea To Summit Spark Pro Down Sleeping Bag −1C|30F − Long − Lightweight yet incredibly versatile sleeping bag with 900+ fillpower RDS−certified goose down

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

$$679.90 - $$719.90
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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

$$509.90 - $$549.90
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Sea to Summit Reactor Midweight Liner − A lightweight, heat−reflective sleeping bag liner that boosts warmth on cold nights while delivering stretch comfort, easy pairing, and low−bulk performance
Sea to Summit Reactor Midweight Liner − Stretch−knit fabric and shaped arm openings allow unrestricted movement for natural comfort
Sea to Summit Reactor Midweight Liner − Ergonomic design with fitted hood delivers optimal warmth without extra weight
Sea to Summit Reactor Midweight Liner − Thermolite® Pro with Far Infrared technology and hollow−core fibres — traps and reflects body heat without bulk
Sea to Summit Reactor Midweight Liner − Certified recycled fibres and bluesign APPROVED materials
Sea to Summit Reactor Midweight Liner − Compact stuff sack
Sea to Summit Reactor Midweight Liner − Snap connectors at shoulders pair with Sea to Summit sleeping bags for easy entry and exit

Sea to Summit Reactor Midweight Liner

$$99.99
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Sea to Summit Reactor Fleeceweight Liner − A versatile, insulated sleeping bag liner that adds serious warmth in cold conditions while offering stretch comfort, easy pairing, and standalone use in warmer weather
Sea to Summit Reactor Fleeceweight Liner − Stretch−knit fabric and shaped arm openings allow unrestricted movement for natural comfort
Sea to Summit Reactor Fleeceweight Liner − Ergonomic design with fitted hood delivers optimal warmth without extra weight or bulk
Sea to Summit Reactor Fleeceweight Liner − Thermolite® hollow−core fibres and grid fleece trap warmth with minimal added weight
Sea to Summit Reactor Fleeceweight Liner − Snap connectors at shoulders pair with Sea to Summit sleeping bags for easy entry and exit
Sea to Summit Reactor Fleeceweight Liner − Compact stuff sack
Sea to Summit Reactor Fleeceweight Liner − Can be used on its own as a lightweight sleeping bag in warm weather
Sea to Summit Reactor Fleeceweight Liner − Lower Impact Materials − Crafted with certified recycled fibres and bluesign APPROVED materials to minimise environmental impact
Sea to Summit Reactor Fleeceweight Liner − HeiQ Fresh odour control technology keeps liner fresh after extended use
Sea to Summit Reactor Fleeceweight Liner − Stretch−knit fabric and shaped arm openings allow unrestricted movement for natural comfort

Sea to Summit Reactor Fleeceweight Liner

$$109.99
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