When your backcountry pursuits demand extreme insulation and an ultralight packed size, alpinists and mountaineers turn to the NeoAir XTherm. The unrivaled Triangular Core Matrix offers the best warmth-to-weight ratio of any air sleeping pad construction. The construction gives the 2.5 inch (6.4 cm) thick pad superior stability, boasting the most inches of weld for maximum camp comfort. The packable pad boasts a 6.9 R-value, allowing users to take it into the most extreme conditions. Available in several sizes, including a roomy regular wide, the XTherm features the high-performance WingLock valve, allowing the pad to inflate three times faster thanks to a larger opening and one-way inflation. Like all Therm-a-Rest pads, the NeoAir XTherm is made in market to ensure quality and minimize environmental impact. The pad includes a breath-saving pump sack, compact stuff sack and field repair kit. Weight: 430g / 15oz R-Value: 6.9 ( Four Season)
When your backcountry pursuits demand extreme insulation and an ultralight packed size, alpinists and mountaineers turn to the NeoAir XTherm MAX. The unrivaled Triangular Core Matrix offers the best warmth-to-weight ratio of any air sleeping pad construction. The construction gives the 2.5 inch (6.4 cm) thick pad superior stability, boasting the most inches of weld for maximum camp comfort. The packable pad boasts a 6.9 R-value, allowing users to take it into the most extreme conditions. With the classic XTherm construction in a rectangular shape, the XTherm MAX features the high-performance WingLock valve, allowing the pad to inflate three times faster thanks to a larger opening and one-way inflation. Like all Therm-a-Rest pads, the NeoAir XTherm MAX is made in market to ensure quality and minimize environmental impact. The pad includes a breath-saving pump sack, compact stuff sack and field repair kit. Weight: 490g / 1.06lbs R-Value: 6.9 (Four Season)
This lightweight alternative to the RidgeRest ® Solar mattress is coated with a layer of Therm-a-Rest's reflective ThermaCapture ™ technology that redirects radiant heat back to your body to amplify warmth. Working in conjunction with the classic RidgeRest® peaks and valleys, the SOLite mattress delivers exceptional insulation in an ultralight and virtually indestructible alternative for backcountry travelers. For maximum warmth, use reflective side-up. Weight: 400g / 0.88lbs R-Value: 2.1
$164.95 - $199.95
Stretch knit top and extra-thick foam combine for unmatched self-inflating comfort for backpackers. For unprecedented comfort during your backcountry adventures, the Trail Pro brings year-round warmth and legendary Therm-a-Rest support. The self-inflating foam measures 3 inches (7.6 cm) and features our StrataCore construction, a design that provides the best warmth-to-weight ratio of any self-inflating foam construction. The Trail Pro’s 4.4 R-value allows adventurers to enjoy backpacking and camping year round. The versatile self-inflating pad features the high-performance WingLock valve, which has three-times the airflow rate of the classic valve thanks to a larger opening and one-way inflation. Like all Therm-a-Rest pads, the Trail Pro is made in market to ensure quality and minimize environmental impact. The pad includes a compact stuff sack. Weight: 820g / 1.81lbs R-Value: 4.4 (3-4 Season)
Lightest, most compact closed-cell foam pad with boosted warmth. Always a favorite of the ultralight elite, the Z Lite SOL expands upon the utralight performance of the Original Z Lite by adding our reflective ThermaCapture™ coating to capture radiant heat and increase overall warmth by nearly 15%. Factoring in the system of heat trapping dimples, the Z Lite SOL has an R-Value of 2.0, making it perfect for use on its own in warmer weather or layering under another pad for extra warmth in the cold. The proprietary foams are softer on top for extra comfort and denser on the bottom for extra durability, making the Z Lite SOL an idealclosed-cell foam pad for those in need of an ultralight, highly compact and super-reliable sleep system. Weight: 410g / 14oz R-Value: 2.0
Lightest most compact closed-cell mattress. Still a favorite of the ultralight elite, the Z Lite mattresses are the lightest, most compact closed-cell mattresses. Both the Z Lite SOL and the original Z Lite feature a compact accordion-style shape and heat-trapping dimples. The Z Lite SOL adds a reflective ThermaCapture™ coating that helps capture radiant heat, increasing overall warmth by nearly 20%. The proprietary foams are softer on top for extra comfort and denser on the bottom for extra durability. Wherever you’re headed, a Z Lite mattress is the right choice for ultralight warmth, durability and comfort. Weight: 410g / 14oz R-Value: 1.7
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
Cleverly constructed comfort for the coldest conditions The Ether Light XT Extreme is extra thick and exceptionally warm. The XT Air Sprung Cells provide 4" of stability and comfort, while dual-density layers of THERMOLITE® insulation prevent convective heat loss and internal air movement. The result: true four-season performance. Best Use: Backpacking in cold weather or winter conditions Air Sprung Cell construction makes the Ether Light series more stable than other similarly thick air pads for greater comfort. Liquid-extruded lamination forms an extremely reliable airproof barrier. The laminate and RF welds are engineered for years of trouble-free performance. Weight: 720g / 25.4oz (Regular Size) R-Value - 6.2
$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.
The warmest of the Alpine Pro range, the Alpine Pro 800 is a warm mid-weight down-filled sleeping bag, designed for cold conditions and year-round mountain use. The Alpine Pro range is for those looking to balance warmth, weight and comfort. The Alpine Pro 800 is the warmest of the range making it well suited to winter use. This rugged bag offers protection and warmth in cold conditions. Its mummy taper shape is roomy and comfortable with an angled footbox that keeps your feet warm but still allows for movement. Made from the durable and water-resistant Pertex® Quantum Pro, the Alpine Pro 800 is hand filled in Derbyshire England with 650FP ethically sourced European Duck Down. This down is held in trapezoidal chambers designed to eliminate cold spots. Through refining and improving the mummy taper shape, alongside optimising the boxwall height within the chambers, we have ensured better down lofting to maximum warmth. The Alpine Pro 800 has an insulating internal 3D collar with a hood drawcord to keep out cold drafts, as well as a 3/4 length YKK zip with an anti-snag bonded zip guard. Other features include a handy internal stash pocket, stuff sack for transport and cotton sack for storage. Weight: 1.41kg / 3.11lbs Fill: 650FP ethically sourced European Duck Down Fill Weight: 800g / 1.76lbs
The lightest fill-weight Rab expedition sleeping bag, the Expedition 1000 is still designed for temperatures as low as -30°C. The warmest-weight bags in the Rab® range, the expedition series are designed for use on 8000m peaks and in polar environments. With 1000g of the highest quality 850FP ethically sourced European Goose Down, the Expedition 1000 is designed to offer warmth and protection in temperatures as low as -30°C. Specifically designed for expedition use, the Expedition 1000 is slightly oversized to accommodate larger Expedition clothing, and uses a combination of high quality Pertex® inner and outer fabrics. Key technical features include water-resistant linings at the head and foot to prevent water ingress, longitudinal baffles to minimise down migration, and a face baffle for improved use with a hood. The Expedition range of sleeping bags are hand-filled in Derbyshire, UK. Weight: 1.625kg / 57oz
The Neutrino 800 is the warmest of the Neutrino Range. Intended for situations where warmth-to-weight is a primary concern it is well suited to cold winter conditions. The Neutrino range comprises lightweight, minimalist down-filled sleeping bags. Refined to maximum warmth without increasing weight, the updated design has chevron shaped baffles to ensure the down is held over the centre of the body and prevents down migration, while the trapezoidal chambers eliminate cold spots. Perfect for cold alpine conditions, the Neutrino 800 is hand filled in Derbyshire and contains the highest quality 800FP ethically sourced European Goose Down. It is made using the lightweight, yet durable Pertex® Quantum - this allows the bag to have an impressively small pack size but quickly loft for instant warmth. The ‘mummy taper’ shape and angled footbox keep overall weight low without compromising on warmth or comfort and still allow for movement. The Neutrino 800 has an ergonomically designed, close-fitting internal collar with a hood drawcord, as well as a 3/4 length YKK anti-snag zip with an insulating draft tube to keep out the cold. Other features include a handy internal stash pocket, dry bag compression stuff sack for transport and cotton sack for storage. Weight: 1.208kg / 2.66lbs Fill: 800FP ethically sourced European Goose Down
Whether you're heading for the heights of the Himalaya or planning a polar expedition, the Positron Pro is a down-filled jacket with zoned construction to optimise warmth and mobility while minimising bulk, so you can endure prolonged exposure to very cold conditions. Designed for mountain and expedition use up to 6000m, the Positron Pro Jacket uses a Pertex® Quantum Pro shell to provide protection from the weather, and is filled with the highest quality 800 fill power ethically-sourced down. Box-wall construction on the torso, hood and upper of arms provides extra insulation on more exposed areas, while stitch-through construction on the underarms and side panels allows increased mobility while reducing bulk, weight, and packsize. A two-way front zip with synthetic insulated baffle behind provides maximum warmth, and helmet compatible down filled hood has wired peak and face baffle. Concealed hood adjusters are easy to use with gloved hands. The Positron Pro is optimised to offer the perfect balance of mobility, comfort, and protection in very cold conditions. Men's Regular Fit. Weight: 760g / 27oz Fill: 800FP R.D.S Certified European Goose Down Fill Weight: 300g / 10.6oz
A stove with precise flame control, extremely high heat output, Fuel Bottle and a super pouch provides a complete kit for your travels. The OmniFuel is Primus’ most award winning stove to date. This extremely robust, reliable, and powerful stove is designed to handle demanding situations, extreme altitudes, both low and high temperatures, and can be easily carried to any destination. Adjustable to work with a multitude of different liquid fuel types, including gas, gasoline/petrol, diesel, kerosene/paraffin and even aviation fuel. The OmniFuel delivers 10,500 BTU (3000W) and can boil a liter of water in just over three minutes, while the oversized control knob offers precise flame control, from a fine simmer to quickly melting endless amounts of snow to hydrate an expedition. The OmniFuel is the perfect stove for 1-4 people who want to travel light. Comes with a fuel bottle (with an ErgoPump™), a multi-tool with a cleaning needle, a foldable windscreen, a heat reflector, and a super pouch.
A true minimalist bivy for fast and light solo expeditions, the 18-ounce Helium Bivy is the lightest bivy we make. Credit the feathery waterproof, breathable Pertex® Shield+ fabric that doesn’t compromise on durability—the floor is 70D. This bivy’s no-nonsense clamshell design will handle seasons of adventuring to come. Fabric: Pertex® Shield+ 2.5L, 100% nylon, 30D ripstop upper - 100% nylon, 70D with TPU lamination floor Weight: 18oz / 510g Avg. Weight for size One Size
Throwing a pair of the high-ankle Tundra Aerogel Booties into your pack turns any snow camping, mountaineering, or backcountry hut trips into a luxurious experience without the extra weight. Each bootie features a compression-resistant PrimaLoft® Aerogel insert that acts as a thermal barrier between your feet and the elements, as well as a weather resistant exterior shell and grippy print on the sole. VerticalX™ ECO insulation offers a superior warmth-to-weight ratio that works even when wet. Weight: 9.3 oz./263 g
$79.95 - $79.99
Your favorite Aerogel bootie warmth, now in a slip-on sock design. A microsuede sole is just durable enough to plod around the cabin, and keep your feet extra toasty when worn inside of your sleeping bag Weight: 155g / 5.5oz
$178.99 - $188.99
Don’t cancel your next overnight adventure just because the forecast is calling for a little rain—bring the all-purpose Trestles 0° Sleeping Bag, built to perform in cold and damp conditions as you’re backpacking, trekking, mountaineering, and more. SpiraFil™ high-loft insulation will keep you warm even when things get wet. After a long day of exploring, zip up the full-length two-way zipper and give your feet a rest in the roomy 3D footbox. Its wave-construction top and blanket-construction bottom provide an unbeatable combo of maximum loft, warmth, and comfort where you need it. If the interior gets too toasty, use the fold-down secondary zipper to get some air. Tuck small items into the stash pocket. Weight: 2.09 kg / 4.61 lbs Fill: SpiraFil™ high-loft synthetic
The Access 3 tent lets you spend comfortable days in the winter backcountry without hauling around the weight of a large mountaineering tent. Warm, light and strong, this four-season tent provides the protection that skiers, splitboaders and snowshoers need for camping in less severe conditions, such as those near tree-line. The robust frame withstands overnight snow loading, and is quick to set up in the cold. Whether your party is base camping to access powder lines or completing a multiday traverse, the Access 3 tent is warm enough for cold winter nights, yet light enough to keep you nimble while on the move.
The Dragonfly stove takes precision-simmering performance and puts it in a chassis that’s built to handle a variety of fuels and the frequent use dished-out by global vagabonds. Tough and stable, it also excels in institutional and guide service settings, easily handling pots up to 10” in diameter. Its dual-valve design delivers the flame control you need for simmering sauces, and goes from zero to searing at the twist of a knob for melting snow and brewing-up fast.
The upgraded Whisperlite International multi-fuel stove takes advantage of nearly 20 years of proven field use and feedback to make one of our most versatile stoves even better. The most notable improvement is a one-piece, stamped stainless steel leg assembly that boosts stability and simplifies maintenance while also reducing weight. Combined with a collection of subtle engineering refinements to boost overall efficiency, the WhisperLite International stove will remain the top choice for globetrotting backpackers seeking lightweight and compact multi-fuel versatility. Improved Multi-Fuel Performance: Burns white gas, kerosene, and unleaded auto fuel. Lighter & More Stable: Stamped stainless steel legs greatly improve stability and reduce weight. Compact: Folds small and fits inside most MSR® pots. Field Maintainable: Self-cleaning Shaker Jet™ technology and new, one-piece leg assembly allow fast cleaning and maintenance in the field. Includes: Fuel pump, windscreen, heat reflector, small-parts kit, instructions, and stuff sack. (Fuel bottle not included.)
Designed to handle all types of extreme weather conditions, the Alpenlite XT tent features a sturdy six-pole A-frame design. Setup is quick and you can rest easy knowing snow and rain will be kept out, making for a great night's sleep wherever.
Built for heavy weather but made of lightweight materials, the roomy four-season, two-person Mountain Pass tent is made for backcountry adventuring. With a highly breathable, lightweight canopy and zippered, removable side panels, the Mountain Pass is a true three or four season convertible style tent - a home away from home in any season. Floor Area: 2.97 m² / 32 ft² Vestibule Area: 1.71 m² / 18.4 ft² (2 vestibule total area) Weight: 2.49 kg / 5.5 lbs
$129.95 - $169.95
The Insulated Air Core Ultra offers unparalleled comfort at an incredible price. This light and compact three-season insulated pad has been completely redesigned from the inside out and R-Value rated by a third party. Designed with a smooth and stable sleeping surface made with durable nylon rip-stop and larger outside tubes to cradle you on top. Warm and highly packable insulation on top and bottom make this air pad lighter on your pack than most in its class. Save your breath for the adventure ahead, and use the included upcycled pad inflation sack to inflate. Weight: 624g / 1.38lbs R-Value: 4.5 (3-4 Season)
Light, packable, and built for belays, or anyplace exposed to biting cold, the Nuclei provides warmth that frees you to focus on your task. 80g Coreloft™ Continuous insulation goes from waist to knee, with 60g at the lower leg to balance appropriate warmth and light weight. The light, tough Arato 15 fabric blocks wind, and GORE-TEX reinforces the seat and knees. Full separating side zips make on-and-off easy - even on hanging belays - and an accessible thigh pocket doubles as a stuff sack. Men's Regular Fit
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
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
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.
This aptly named sleeping bag and down blanket is the traveler's best friend. Whether you are on a summer bike tour, or a hut trip, or couch surfing, or simply stuck at an airport or ferry terminal, the Traveller unpacks from an almost impossibly small compression sack to reveal a rectangular sleeping bag which can also unzip to form a quilt. Two different fill weights of 750+ loft RDS-certified ULTRADRY Down™ are available: both models feature a drawcord foot box which cinches tight for warmth or opens for ventilation. Weight: 420g / 14.8oz Fill: 750+ loft RDS-certified ULTRADRY Down™
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. Weight : 1.605kg / 3.54lbs Fill : 800FP ethically sourced European Goose Down
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