Down Sleeping Bags

The Rab Neutrino Down Sleeping Bag (-12°C) is a lightweight yet exceptionally warm sleeping bag designed for alpine adventures and winter trekking. Filled with premium 800FP goose down and built with advanced L.O.F.T 3D™ baffle construction, it delivers reliable insulation while remaining highly packable. The durable Pertex® Quantum shell balances protection with minimal weight, making it ideal for mountaineering and fast moving expeditions. With a comfort rating of -5°C and a limit rating of -12°C, the Neutrino is built to keep you warm when temperatures drop in the mountains.

The Rab Neutrino Down Sleeping Bag (-6°C) is a lightweight and highly packable alpine sleeping bag designed for trekking and mountaineering adventures. Filled with premium 800FP goose down and built with advanced L.O.F.T 3D™ baffle construction, it delivers reliable warmth while remaining compact and efficient to carry. The durable Pertex® Quantum shell balances lightweight performance with added protection where it matters most. With a comfort rating of 0°C and a limit rating of -6°C, the Neutrino is an excellent choice for three season mountain trips and fast moving alpine expeditions.

The Rab Neutrino Down Sleeping Bag (0°C) is a lightweight alpine sleeping bag designed for summer mountaineering and fast moving backpacking trips. Filled with premium 800FP goose down and built with advanced L.O.F.T 3D™ baffle construction, it provides reliable insulation while remaining compact and highly packable. The Pertex® Quantum shell balances durability and minimal weight, making it ideal for technical adventures in warmer mountain conditions. With a comfort rating of 5°C and a limit rating of 0°C, it’s a great choice for lightweight alpine camping and trekking.

The Rab Mythic Down Sleeping Bag (-6°C) delivers exceptional warmth at just 700g, featuring 900FP European goose down and innovative L.O.F.T 3D™ baffles for maximum loft retention. A heat-reflective TILT lining enhances thermal efficiency while keeping weight to a minimum. With a compact 18cm x 30cm pack size and ISO comfort rating of 0°C, it’s ideal for fastpacking, trekking and alpine missions.

The Rab Mythic Down Sleeping Bag (0°C) combines ultralight design with exceptional warmth, perfect for fast-moving trekking and spring alpine adventures. Weighing only 500g and packing down small, it uses 900FP hydrophobic European goose down with L.O.F.T 3D™ baffles to eliminate cold spots. The heat-reflective TILT lining enhances warmth while keeping the bag compact and efficient. Durable Pertex® Quantum ripstop outer and recycled Atmos™ lining protect against the elements, and the tapered mummy shape with cinchable hood maximizes heat retention. Hand-filled in Derbyshire, UK, it comes with a compression dry bag and water-resistant storage sack for easy transport.

The Rab Ascent -6°C Sleeping Bag is a 650FP down trekking sleeping bag built for reliable 3-season mountain use. Featuring a wide mummy fit, Pertex® Quantum outer and L.O.F.T™ baffle construction, it maximises warmth-to-weight efficiency. With a Limit of Comfort rating at -6°C and hydrophobic duck down insulation, it delivers dependable protection in cold and damp conditions. Ideal for backpacking, camping and regular mountain use.

The Rab Ascent (0°C) Sleeping Bag is a lightweight 650FP down sleeping bag designed for summer camping and spring bothy trips. Featuring a wide mummy fit, Pertex® Quantum 20D ripstop fabric and L.O.F.T™ baffle construction, it maximises warmth-to-weight efficiency. With a 0°C limit rating and compact 20cm x 35cm packed size, it offers comfort without bulk. Hand-filled in the UK for superior loft and performance.

The Sea to Summit Spark Pro Ultralight Sleeping Bag has been built for fast-paced adventures where weight, warmth, and packability matter most. With premium 950+ Ultra-Dry Goose Down, a 10D nylon shell, and an ergonomic mummy fit, it offers outstanding warmth-to-weight performance, perfect for minimalist hikers and ultralight backpackers.

The Rab Neutrino 400 (-7C) has been built with fast and light mountain missions in mind, eliminating excess bulk and offering exceptional warmth for its weight in a highly tapered design. It's filled with 800FP goose down and covered with a recycled, wind resistant Pertex Quantum outer. Designed with a narrow mummy fit, for reduced bulk and pack size, and constructed with lightweight, high performance materials. It’s perfect for three season mountain missions.

The Rab Neutrino 600 is a four season sleeping bag that offers exceptional packability and warmth for its weight. Built for fast and light winter missions, this bag eliminates excess bulk without sacrificing quality. The Neutrino 600 is filled with 800FP goose down and covered with a recycled, wind resistant Pertex® Quantum outer. It has a narrow mummy fit, for reduced bulk and pack size, and has been constructed with lightweight and high performance materials.

The Lightwave Firelight 750 Sleeping Bag offers amazing warmth for weight, there's no mystery though, they use the very best quality ethically sourced down within a box wall constructed bag. The down has a fill-power of 900 cubic inches as measured by the EU norm (and is equivalent to 970 cubic inches using the US standard).

The Crux Torpedo 900 is a waterproof sleeping bag that's designed to make sure you sleep through the night on high altitude expeditions. Perfect for climbing Himalayan peaks within the 6000m to upper 7000m category, the Torpedo 900 is filled with the highest quality 850 fill Polish down for ultimate warmth to weight ratio. Thanks to its waterproof shell, you can sleep comfortably in this bag anywhere, whether that's in a tent, snow hole or on a ledge.

The Crux Torpedo 700 is a sleeping bag designed for summer mountaineering use in up to 6000m of altitude or 5000m for 4-season use. It uses the best quality, ethically sourced 850 fill down available to achieve superior warmth to weight ratio. This means that the bag is compressible and lightweight enough to carry in your pack on arduous climbs and trips. It has a comfort rating of -4C and lower limit of -11C (EN13537), meaning you can sleep in it anywhere, whether that be in a tent, snow hole, or ledge.

The Crux Torpedo 500 is a waterproof sleeping bag that will make sure you sleep through the night on demanding trips. It uses the best quality, ethically sourced 850 fill down available to achieve superior warmth to weight ratio. This means that the bag is compressible and lightweight enough to carry in your pack on arduous climbs and trips. It has a comfort rating of 0C and lower limit of -6C (EN13537), meaning you can sleep in it anywhere, whether that be in a tent, snow hole, or ledge.

The Lightwave Firelight 350 is a high quality sleeping bag that's suitable for use in temperatures just below 0°C. Constructed of Polish goose down that's 100% ethically sourced and has a fill-power of 900 cubic inches (equivalent to 970 cubic inches using the US standard). The full length zip on top of the bag is protected by single baffle and the adjustable neck collar can be closed to provide a complete seal. Comes with compression sack and large storage bag.

The Lightwave Firelight 250 Sleeping Bag is filled with 100% ethically sourced Goose down to a fill-power of 900 cubic inches as measured by the EU norm. It utilises a full length zip that lies on the top of the bag and is protected by a single baffle. The neck collar can be adjusted to close completely around the neck to provide a complete seal.