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Sleeping Bags

Therm-a-Rest Hyperion 20 Down Sleeping Bag (-6C)
$629.95
Weighing a mere 1 lb. 4 oz, defy the cold and rest better while moving through the mountains with the Hyperion. Built to provide a featherlight pack weight and high-performance warmth, the Hyperion 20F/-6C is among the lightest in its class without sacrificing an ounce of performance. 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 light, giving you the freedom to move quickly in the backcountry. Storage sack and compression stuff sack included. Weight: 580g / 1.25lbs Fill: 900 Fill Power Nikwax Hydrophobic RDS Goose Down Fill Weight: 360g / 12.5oz Fit: Ultralight
Therm-a-Rest Hyperion 32 Down Sleeping Bag (0C)
$569.95
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 Weight: 460g / 1.0lbs Fill: Fill: 900 Fill Power Nikwax Hydrophobic RDS Goose Down Fill Weight: 250g / 8.5oz Fit: Ultralight
Therm-a-Rest Parsec 20 Down Sleeping Bag (-6C)
$589.95
Push further and move faster with the Parsec™ 20F/-6C mummy sleeping bag, bred for alpine starts and ultralight bivys. Engineered for your fast and light adventures, the Parsec delivers lightweight and packable warmth. Just like an alpinist precisely selects his rack or a skier carefully chooses her line, Thermarest took the time to dial in the small details that create comfort and security in the mountains. After you break camp, the mummy-style bag uses a compression sack to easily fit into your pack without weighing you down. Designed with high-quality materials and Therm-a-Rest performance features, the Parsec easily handles three-season bivys and long pushes into the backcountry. Bottom line, those that need their sleeping bag to go further choose the Parsec. Storage sack and compression stuff sack included. Weight: 910g / 2.0lbs Fill: 800 Fill Power Nikwax Hydrophobic RDS Goose Down Fill Weight: 500g / 1.10lbs
Therm-a-Rest Questar 0 Down Sleeping Bag (-18C)
$459.95 - $559.95
Packed with features needed for cold-weather camping, the Questar™ offers supreme comfort and versatility. When you need feature-packed comfort for frigid backcountry conditions, it’s time to pack the Questar 0F/-18C. Thermarest has loaded this bag with the comfort features that Therm-a-Rest bags are known for. The 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 our 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. Weight: 1.21kg / 2.67lbs Fill: 650 fill power Nikwax Hydrophobic RDS Down Fill Weight: 820g / 1.81lbs
Therm-a-Rest Questar 20 Down Sleeping Bag (-6C)
$429.95 - $469.95
This is the field-proven, feature-packed down bag you've always wanted. Thermarest 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 the Thermarest 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 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. Weight (Reg) - 990g / 2.19lbs Fill: 650 Fill Power Nikwax Hydrophobic RDS Duck Down Fill Weight: 540g / 1.19lbs
Therm-a-Rest Saros 0 Sleeping Bag (-18C)
$299.95
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 Thermarest'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. Weight: 2.24kg / 4.94 lbs Fill: eraLoft™ water-resistant hollow fiber synthetic fill
Therm-a-Rest Vesper 20 Down Quilt (-6C/20F)
$519.95
Featuring unrivaled packability and featherweight design, the Vesper 20F/-6C quilt provides no-frills camp comfort. The quilt uses thermally-efficient box baffled construction to maximize warmth and comfort for a high-performance, ultralight piece. The Vesper was designed with high-quality materials and Therm-a-Rest performance features like a SynergyLink™ Connector, a snap neck closure, perimeter side baffles and an insulated footbox provide warmth and comfort in the backcountry. When compared to sleeping bags, the Vesper quilts save weight and pack smaller by utilizing the warmth of your insulated mattress. Storage sack and compression stuff sack included. Weight: 550g / 1.21lbs Fill: 900 Fill Goose Nikwax Hydrophobic Down, RDS Fill Weight: 360g / 12.7oz
Therm-a-Rest Vesper 32 Down Quilt (0C/32F)
$419.95
It's not weightless, but the three-season, 15-ounce Vesper feels pretty darn close. Built to provide a featherlight pack weight and high-performance warmth, the Vesper 32F/0C quilt thrives during ultralight, backcountry adventures. The quilt uses thermally-efficient box baffled construction to ensure warmth and comfort in an ultralight package. Designed with high-quality materials and Therm-a-Rest performance features, a snap neck closure, perimeter side baffles and an insulated footbox provide warmth and comfort in the backcountry. When compared to sleeping bags, the Vesper quilts save weight and pack smaller by utilizing the warmth of your insulated mattress. Storage sack and compression stuff sack included. Weight: 425g / 15oz Fill: 900 Fill Goose Nikwax Hydrophobic Down, RDS Fill Weight: 240g / 8.5 oz
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. Weight: 248g / 8.7oz Dimensions: 210x92x62cm / 82x36x24"
Sea to Summit Aeros Down Pillow
$99.95
The Aeros™ Down Pillow combines the softness and supportiveness of the Aeros™ pillow series with a luxurious down pillow top. Technical fabrics from the Spark/Flame sleeping bags keep the weight down and the packed size almost impossibly small. And – as you drift off to sleep, your pillow won’t be sliding off of your Sea to Summit sleeping pad: the Pillow Lock™ system keeps your pillow right where it belongs.
Sea to Summit Aeros Premium Deluxe Pillow
$42.48 $84.95 50% Off
A packable, full-size deluxe pillow Luxurious, lightweight and surprisingly compact, this full-size pillow features a super soft brushed 50D polyester knit exterior and a silent, TPU air bladder for support and comfort. Inflation, adjustment, and deflation take seconds, thanks to the patent-pending Sea to Summit multi-function mini valve. Plus, secure your pillow to your sleeping mat using our unique Pillow Lock system. The Aeros Premium Deluxe inflatable pillow uses construction inspired by the Air Sprung Cells of our sleeping mats. Weight: 195g / 6.9 oz
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 ATI Down Sleeping Bag (-4C) - Women's
$499.00 - $529.00
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. 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 Weight: 1.08kg / 2.38lbs Fill: Ultra Dry 750+ FP Duck Down Fill Weight: 520g / 18.3oz
Sea to Summit Altitude ATII Down Sleeping Bag (-9C) - Women's
$569.00 - $599.00
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 Weight (Reg) : 1.28kg / 2.83lbs Fill: Fill: Ultra Dry 750+ FP Duck Down Fill Weight: 720g / 25.4oz
Sea to Summit Ascent ACI Down Sleeping Bag (-4C)
$459.00 - $489.00
The Ascent™ down mummy sleeping bag redefines what versatile means in a sleep system. Complex construction and high-quality down keep you warm when it’s cold outside, while the triple-zipper Free-Flow Zip™ system ensures you stay cool and ventilated when the weather warms. Shaped to allow a natural sleeping position for comfort, the Ascent is light and compact enough to go everywhere your adventures may take you. Weight: 860g / 1.89lbs Fill: 750+ Loft Ultra-Dry RDS Duck Down Fill Weight: 330g /11.6oz
Sea to Summit Ascent ACII Down Sleeping Bag (-9C)
$549.00
The Ascent™ down mummy sleeping bag redefines what versatile means in a sleep system. Complex construction and high-quality down keep you warm when it’s cold outside, while the triple-zipper Free-Flow Zip™ system ensures you stay cool and ventilated when the weather warms. Shaped to allow a natural sleeping position for comfort, the Ascent is light and compact enough to go everywhere your adventures may take you. Weight: 1.10kg / 2.42lbs Fill: 750+Fill Power ULTRA-DRY RDS Down Fill Weight: 550g / 19.4oz Compressed Volume: 6.2L
Sea to Summit Ascent ACIII Down Sleeping Bag (-18C)
$629.00
The Ascent™ down mummy sleeping bag redefines what versatile means in a sleep system. Complex construction and high-quality down keep you warm when it’s cold outside, while the triple-zipper Free-Flow Zip™ system ensures you stay cool and ventilated when the weather warms. Shaped to allow a natural sleeping position for comfort, the Ascent is light and compact enough to go everywhere your adventures may take you. Weight: 1.325kg / 2.92lbs Fill: 750+ Loft Ultra-Dry RDS Duck Down Fill Weight: 750g / 1.66lbs Compressed Volume: 8.2L
Sea to Summit Ember Ultralight Down Quilt (+10C)
$399.00 - $419.00
An Ember quilt can be an ideal light and packable option for bikepackers, ultralight hikers and travelers. Constructed using high quality 850+ loft Ultra-Dry Down and featherweight fabrics, this well-constructed quilt offers freedom from the weight of a sleeping bag zipper and the freedom from the constrictive shape that comes with some sleeping bags. The Ember Series takes the simplicity of the quilt concept a step further - snap-on attachment straps keep your quilt located on your sleeping mat, while the drawcord base of the 50°F and 35°F give the Ember a shape-shifter' function: wider at the base for more freedom of movement when it's warm, snugged down when it's cooler. Embers also add multi-season functionality: the QuiltLock system allows an Ember to be attached to any hooded Sea to Summit sleeping bag to boost thermal performance in colder weather. Weight: 420g / 14.8oz Fill: Ultra-Dry Down™ 850+ Loft Fill Weight: 200g / 7.05 oz Compressed Volume: 1.8L
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. Weight: 310g /11.0oz Dimensions: 185x92cm / 73x36"
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. Weight: 380g /13.4oz Dimensions: 225x92cm / 85x36"
Sea to Summit Flame FmII Down Sleeping Bag - Womens (+2C)
$489.00 - $519.00
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 Weight - 505g / 1.11lbs (Regular size) Fill: 850+FP RDS Goose Down Fill Weight: 310g / 10.9oz
Sea to Summit Flame FmIII Down Sleeping Bag - Womens (-4C)
$649.00 - $679.00
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
$139.95
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 Spark Sp0 Down Sleeping Bag (+10C)
$349.00 - $379.00
Enginereed to keep you warm at the lightest weight and smallest compressed size 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. Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate wiggle room for the performance-oriented, backcountry user. Weight: 225g / 7.9oz Fill: Ultra-Dry Down 850+ Loft Fill Weight: 100g / 3.5oz Compressed Volume: 0.9L
Sea to Summit Spark SpI Down Sleeping Bag (+4C)
$469.00
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. Weight - 340g / 12oz (regular size) Fill - 850+ Fill Power Ultra Dry RDS Goose Down Fil Weight: 180g / 6.35oz
Sea to Summit Spark SpII Down Sleeping Bag (-2C)
$529.00 - $559.00
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. Weight: 490g / 17oz (regular size) Fill: 850+ Fill Power Ultra Dry RDS Goose Down Fill Weight: 300g / 10.6oz
Sea to Summit Spark SpIII Down Sleeping Bag (-8C)
$619.00 - $649.00
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. Bag Weight : 665g / 1.47lbs Fill : 850+ Fill Power Ultra Dry RDS Goose Down Fill Weight: 430g / 15.2oz
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.
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