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Sleeping Bags

Therm-a-Rest Hyperion Down Sleeping Bag (0C)
$469.95
The Hyperion 32F/0C sleeping bag is among the lightest in its class while still providing high-performance during backcountry pursuits. The bag uses thermally-efficient box baffled construction in key areas to ensure warmth and comfort in an ultralight package. Designed with high-quality materials and Therm-a-Rest performance features, the Hyperion keeps your pack featherweight without sacrificing an ounce of performance. Storage sack and compression stuff sack included
Therm-a-Rest Questar 20 Down Sleeping Bag (-6C)
$339.95 - $394.95
This is the field-proven, feature-packed down bag you've always wanted. Thermaerst has loaded this bag with the comfort features that their bags are known for. Thermarest SynergyLink™ Connectors integrate the bag with your sleeping pad while allowing our Zoned Insulation to keep fill where you need it most. The fit of the bag has been perfected in our onsite cold chamber to create the Thermarest W.A.R.M. fit that allows room for multiple sleep positions without compromising thermal efficiency. Stuffed with water-resistant 650 fill Nikwax Hydrophobic Down certified by the Responsible Down Standard, the four-season Questar is ready for your next backcountry adventure. The Questar is offered in three sizes, and designed to fit both men and women. Compression sack and storage sack included.
Therm-a-Rest Saros 0 Sleeping Bag (-18C)
$264.95 - $274.95
To keep freezing conditions at bay, the Saros uses synthetic eraLoft™ insulation for cozy warmth. When the weather gets frigid and the forecast looks damp, the Saros 0F/-18C is equipped to keep you resting better. The Saros uses Thermaerst's eraLoft™ synthetic insulation, which is quick-drying and weather resistant, making it ideal for backpacking and mountaineering in wet weather from spring to fall. The fit of the bag has been perfected in Thermarest's onsite cold chamber to create their W.A.R.M. fit that allows room for multiple sleep positions without compromising thermal efficiency. Our SynergyLink™ Connectors also integrate the Saros with your pad to ensure superior comfort with efficient warmth and the freedom to move as you like for the best night's rest possible. The Saros is offered in three sizes and designed to fit both men and women. Compression sack and storage sack included.
Sea to Summit Adaptor Coolmax Sleeping Bag Liner - Mummy
$69.95
The Adaptor™ COOLMAX® sleeping bag liner is an excellent versatile choice that adapts to varied temperatures and humidity. The knitted COOLMAX® fabric is incredibly stretchy, super soft and luxuriously comfortable. It wicks moisture away from your skin, which helps keep you comfortable as temperatures rise and humidity increases, guaranteeing a great night’s sleep. This sleeping bag liner is ideal for use on its own in warm, humid climates, or as a liner inside your sleeping bag as you transition across seasons. A sleeping bag liner is imperative for keeping your sleeping bag clean and is easily washable
Sea to Summit Adaptor Coolmax Sleeping Bag Liner - Traveller
$74.95
Sea to Summit's Coolmax® Adaptor liner offered in the popular 'Traveller' rectangular shape with pillow insert. The Adaptor™ COOLMAX® sleeping bag liner is an excellent versatile choice that adapts to varied temperatures and humidity. The knitted COOLMAX® fabric is incredibly stretchy, super soft and luxuriously comfortable. It wicks moisture away from your skin, which helps keep you comfortable as temperatures rise and humidity increases, guaranteeing a great night’s sleep. This sleeping bag liner is ideal for use on its own in warm, humid climates, or as a liner inside your sleeping bag as you transition across seasons. A sleeping bag liner is imperative for keeping your sleeping bag clean and is easily washable
Sea to Summit Aeros Premium Pillow
$54.95 - $59.95
The Aeros™ inflatable backpacking pillow has changed the way thousands of people sleep in the backcountry or while traveling. Luxurious, lightweight and compact, it features a super soft brushed 50D polyester knit exterior and a silent, contoured TPU air bladder for support and comfort. Sea to Summit has updated the bestselling Aeros™ Premium Pillow for 2019 to add compatibility with the unique Pillow Lock™ system. IS THE AEROS PREMIUM PILLOW…? Really light and packable? Aeros Premium Pillows are light and really compact: the Regular size weighs a mere 2.7ozs / 79g and packs down into a stuff sack that will easily fit into a shirt pocket. Machine washable? No – but hand-washing is easy. Close the valve and use warm water and a gentle kneading motion, then air dry (do not use a dryer). Alternatively, consider using a removable Aeros™ Pillow Case for even simpler washing. Going to slip off of a sleeping pad while you sleep? Not at all! All Sea to Summit 2019 pillows are compatible with the Pillow Lock System.
Sea to Summit Aeros Ultralight Pillow
$49.95 - $56.95
The Aeros™ Pillow Ultralight™ inflatable pillow is perfect for gram counters who like being comfortable. A 20D polyester stretch knit fabric is soft to the touch and comfortable to sleep on. The low profile multi-function valve allows fine tuning to your personal comfort level and the super lightweight and compact size means you'll never travel without it. From the plane to the mountains and for power naps in between, this is the ideal travel companion.
Sea to Summit Altitude AT2 Down Sleeping Bag (-9C) - Women's
$568.95 - $598.95
Incredibly versatile, the Altitude™ women’s down sleeping bag is snug and cozy when it’s cold outside, cool and ventilated when the weather warms, shaped to match your natural sleeping position for comfort anytime, and light enough to carry anywhere. It could just be the perfect sleeping bag for women adventurers. Best Use: Backpacking Performance: 3 Season: 15°F (comfort range 15° to 60°F) Designed to keep women warm with Thermolite® insulation in the foot section warms your feet instantly Down chambers filled using body-mapping to maximize warmth for a woman’s physiology A wider shape between hips and knees to allow you to sleep in a natural position without compressing the down insulation and creating cold spots. Shorter overall length and narrower girth in shoulders to reduce dead space and increase thermal efficiency
Sea to Summit Compression Sack
$26.95 - $44.95
The Compression Sack is the perfect solution for squishing down bulky soft items for organized packing. These burly sacks are built from a water-resistant 70D Nylon fabric, offering excellent strength to weight. They can allow compression down to one-third of their original volume, which means you save valuable space in your pack for other essentials.
Sea to Summit Expander Sleeping Bag Liner - Mummy
$44.95
The Expander™ sleeping bag liner is made of a super soft and stretchy knitted poly-cotton material. The Rectangular, Traveller and Double models do not have side seams, and combined with the stretch fabric, this offers an unprecedented level of comfot in a budget-priced liner. A built-in antimicrobial treatment keeps odors at bay and won't wash out of the liner when you throw it in the washing machine. This is the perfect travel companion for those looking for a luxuriously comfortable sleep.
Sea to Summit Expander Sleeping Bag Liner - Rectangular
$39.95
The Expander™ sleeping bag liner is made of a super soft and stretchy knitted poly-cotton material. The Rectangular, Traveller and Double models do not have side seams, and combined with the stretch fabric, this offers an unprecedented level of comfot in a budget-priced liner. A built-in antimicrobial treatment keeps odors at bay and won't wash out of the liner when you throw it in the washing machine. This is the perfect travel companion for those looking for a luxuriously comfortable sleep.
Sea to Summit Expander Sleeping Bag Liner - Traveller
$44.95
The Expander™ sleeping bag liner is a super soft and stretchy poly-cotton making it wonderfully stretchy and warm. It's an ideal choice for travel, backpacking and any activity or adventure where you want to keep your sleeping bag clean or add additional warmth to your sleeping bag. The built-in antimicrobial treatment keeps odors at bay and won't wash out of the liner when you throw it in the washing machine. This is the perfect travel companion if you're wanting a luxuriously comfortable sleep.
Sea to Summit Flame FmII Down Sleeping Bag - Womens (+2C)
$488.95
The Flame™ Ultralight Women's Sleeping Bag Series spans everything from an ultralight down-filled liner to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance for the designed end-use. The women’s specific mummy fit is narrower at the shoulder and wider at the hip, and features extra down compared to the unisex Spark models. The wider mummy shape between hips and knees allows you to sleep in a natural position without compressing the down insulation and creating cold spots. The bags shorter overall length and narrow shoulder girth helps reduce dead spaces and increase thermal efficiency Bag Fill - 850+FP RDS Goose Down Bag Weight - 505g (Regular size)
Sea to Summit Flame FmIII Down Sleeping Bag - Womens (-4C)
$618.95 - $649.00
The Flame™ Ultralight Women's Sleeping Bag Series spans everything from an ultralight down-filled liner to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance for the designed end-use. The women’s specific mummy fit is narrower at the shoulder and wider at the hip, and features extra down compared to the unisex Spark models. The wider mummy shape between hips and knees allows you to sleep in a natural position without compressing the down insulation and creating cold spots. The bags shorter overall length and narrow shoulder girth helps reduce dead spaces and increase thermal efficiency Bag Fill - 850+FP RDS Goose Down Bag Weight - 665g (Regular size)
Sea to Summit Premium Silk Travel Sleeping Bag Liner
$129.95
Sea to Summit makes their premium silk travelling sheets from the strongest, finest ripstop silk available and have added Polyester/Lycra stretch panels along the length of the seams. These stretch panels allow the liner to move with you when you turn, roll and curl up in the night. Perfect for keeping a sleeping bag clean and for hostel or budget hotel travelling.
Sea to Summit Silk Cotton Blend Travel Sleeping Bag Liner
$79.95 - $89.95
These travel liners are made of a blend of two premium quality natural fibers for the ultimate in comfort and performance - and, the feel of this liner is pure luxury.
Sea to Summit Spark SpII Down Sleeping Bag (-2C)
$508.95
The Spark™ Ultralight Mummy Sleeping Bag Series spans everything from an ultralight down-filled liner to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance for the designed end-use. Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate girth for the performance-oriented backcountry user. Fill - 850+ Fill Power Ultra Dry RDS Goose Down Weight - 490g (regular size)
Sea to Summit Thermolite Reactor Compact Plus Sleeping Bag Liner (adds up to 11C)
$84.95
The THERMOLITE® Reactor™ Compact sleeping bag liner is the ideal choice for gram counters under 6 feet. It essentially uses a combination of two weights of THERMOLITE® fabric, with the thicker more insulative being strategically placed across the torso and in the feet area. The hollow core fibers work like the fur of a polar bear in that they are incredibly insulating and trap heat effectively. This sleeping bag liner keeps your sleeping bag clean and is super easy to wash. It will bump up the warmth of your sleeping bag temperature rating up to 11C depending on your environment and conditions.
Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner (adds up to 14C)
$89.95 - $99.95
The THERMOLITE® Reactor™ Extreme is the warmest backpacking knit sleeping bag liner offered by Sea to Summit. The hollow fiber threads work just like the hollow fur of a polar bear in that they trap heat effectively. When the mercury drops you'll appreciate the mummy shape and drawcord hood with mini cord lock attached. Depending on your environment and sleep conditions, this liner can increase your sleeping bag warmth by up to 14C/25F.
Sea to Summit Thermolite Reactor Fleece Sleeping Bag Liner (adds up to 18C)
$109.95
The THERMOLITE® Reactor™ Fleece sleeping bag liner is a luxuriously soft and super warm liner that can bump up the warmth of your sleeping bag by up to 18C. It can also be used as a stand-alone sleeping bag in warmer climates and has a quarter length zipper to control temperature and allows the user to get in and out of easily. The hollow core fibers that make up this fabric trap heat effectively, keeping you toasty warm. If you're looking for a high warmth to weight ratio or a lightweight summer bag, this is an ideal choice.
Sea to Summit Thermolite Reactor Sleeping Bag Liner (adds up to 8C)
$79.95
The Reactor is made from Thermolite®, a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Adds up to 14 degrees F / 8 degrees C of warmth to a sleeping bag or, used alone, is the ideal warm weather bag.
Sea to Summit Trailhead THII Synthetic Sleeping Bag (-1C)
$188.95 - $208.95
If you are new to outdoor recreation, or you only camp occasionally, the Trailhead™ synthetic mummy sleeping bag is a great value-oriented option. However, the modest price tag doesn’t mean corners were cut on comfort and versatility. Like all Sea to Summit synthetic mummy sleeping bags, the Trailhead™ utilizes WaveLoft™ construction to allow the insulation to expand out into air-trapping curves for maximum warmth. As the temperature rises, the full-length zipper (which curves around through the foot box) allows you to sequentially increase ventilation to the point where the mummy sleeping bag can be opened flat and used as a quilt. The tapered-rectangular mummy cut of the Trailhead™ gives you plenty of room to move, regardless of your sleeping position.
Sea to Summit Trailhead THIII Sleeping Bag (-7C)
$208.95 - $228.95
If you are new to outdoor recreation, or you only camp occasionally, the Trailhead™ synthetic mummy sleeping bag is a great value-oriented option. However, the modest price tag doesn’t mean you miss out on comfort and versatility. Like all Sea to Summit synthetic mummy sleeping bags, the Trailhead™ utilizes WaveLoft™ construction to allow the insulation to expand out into air-trapping curves for maximum warmth. As the temperature rises, the full-length zipper (which curves around through the foot box) allows you to sequentially increase ventilation to the point where the mummy sleeping bag can be opened flat and used as a quilt. The tapered-rectangular mummy cut of the Trailhead™ gives you plenty of room to move, regardless of your sleeping position.
Sea to Summit Trek TKI Down Sleeping Bag (-1C)
$338.95
The Trek™ down sleeping bag brings the comfort of a tapered-rectangular mummy shape and the versatility of a dual-zip ventilation system to wherever your travels may take you. The full-length side zipper and secondary foot box zipper allow you to increase ventilation or open the Trek completely flat to use a comforter or quilt, and the quality down will keep you warm and snug on chilly nights. The broader mummy cut gives you room to move inside the bag, regardless of the sleeping position you may adopt. A Regular Wide model is available for those who really appreciate extra girth. Light and compact, the Trek might just become your favorite trekking / backpacking / travel / camping down sleeping bag. Bag Fill : 650+ FP Ultra Dry RDS Down Bag Weight : 760g (Regular Size)
Sea to Summit Trek TKII Down Sleeping Bag (-8C)
$389.95 - $448.95
The Trek™ down sleeping bag brings the comfort of a tapered-rectangular mummy shape and the versatility of a dual-zip ventilation system to wherever your travels may take you. The full-length side zipper and secondary foot box zipper allow you to increase ventilation or open the Trek completely flat like a comforter, and the quality down will keep you warm and snug on chilly nights. The broader mummy cut gives you room to move inside the bag, regardless of the sleeping position you may adopt. A Regular Wide model is available for those who really appreciate extra girth. Light and compact, the Trek might just become your favorite trekking / backpacking / travel / camping down sleeping bag. Bag Fill : 650+ FP Ultra Dry RDS Down Bag Weight : 980g (Regular size)
Sea to Summit Ultra-Sil Compression Dry Sack
$34.95 - $64.95
The Ultra-Sil™ Compression Dry Sack is a super lightweight dry sack designed to compress bulky clothing or other squishable gear that lives inside your pack. Made from Ultra-Sil™ 30D CORDURA® Nylon fabric with an eVent® fabric base, the air can be rolled out but can't get back in. It's an ideal option for use inside a backpack during longer lightweight hikes, adventure travels, cycle touring and any activity where you need to maximize pack space by compressing your bulky items to one-third of their volume. It employs waterproof seams, a hypalon roll-top, non-wicking closure and is super lightweight.
Sea to Summit Ultra-Sil Compression Sack
$33.95 - $54.95
When you need to compress volume without significantly adding weight, the Ultra-Sil™ Compression Sack is an excellent solution. Made from a 30D diamond rip-stop siliconized CORDURA® fabric they can be compressed to one third of the original volume. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items to allow space for other essentials or fun holiday items.
Sea to Summit eVent Compression Dry Sack
$44.95 - $64.95
A completely new concept in compression dry bags - there is no valve. This innovation uses an air-permeable base made of eVent® waterproof fabric, which allows air to be pushed out of the sack, but won't allow water to get back in. Suitable to keep contents dry in any wet situation where the bag is not submerged.
Rab Andes 1000 Down Sleeping Bag (-27C)
$949.95
The Andes 1000 offers similar warmth to the Expedition range, in a more performance orientated shape, maximising warmth-to-weight and reducing pack size. With 1000g of high quality 800FP ethically sourced European Goose Down, the Andes 1000 is designed for use up to 8000m altitude or on exposed belays, in temperatures as low as -27°C. Styled in a ’mummy shape’ to reduce pack size, the Andes 1000 uses a combination of high quality Pertex® inner and outer fabrics to provide increased durability and windproof. Key features include longitudinal foot baffles to minimise down migration, chest baffles with internal Flowgate® technology and anti-snag webbing tape throughout. The Andes range of sleeping bags are hand-filled in Derbyshire, UK. Bag Fill : 800FP ethically sourced European Goose Down Bag Weight : 1605g (Regular Size)
Rab Andes 800 Down Sleeping Bag (-22C)
$824.95
The Andes 800 offers similar warmth to the Expedition range, in a more performance orientated shape, maximising warmth-to-weight and reducing pack size. With 800g of high quality 800FP ethically sourced European Goose Down, the Andes 800 is designed for use up to 8000m altitude or on exposed belays, in temperatures as low as -22°C. Styled in a ’mummy shape’ to reduce pack size, the Andes 800 uses a combination of high quality Pertex® inner and outer fabrics to provide increased durability and windproof. Key features include longitudinal foot baffles to minimise down migration, chest baffles with internal Flowgate® technology and anti-snag webbing tape throughout. The Andes range of sleeping bags are hand-filled in Derbyshire, UK.
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