Synthetic Sleeping Bags

The Mountain Equipment Klimatic I Sleeping Bag is perfect for summer adventures, hut trips, and lightweight backpacking. Made with 90% recycled POLARLOFT® insulation and 100% recycled 20D shell and lining fabrics, it offers warmth, durability, and eco-friendly performance. Designed for thermal efficiency with an alpine fit, full-length zip baffle, and anatomically shaped hood and foot box, it's compact, packable, and comes with a lightweight compression sack.

The Mountain Equipment Lunar II is a lightweight, packable sleeping bag that's perfect for backpackers and adventurers seeking reliable warmth on outdoor trips. Featuring POLARLOFT® insulation for superior warmth-to-weight efficiency, a durable Lunar 40D outer fabric, and an Alpine fit for thermal efficiency, it ensures comfort in various conditions. The anatomically shaped hood and foot-box enhance insulcamping sleeping bagation, while the offset layer construction minimizes cold spots. A full-length zip baffle prevents heat loss, and the included compression sack makes packing easy. Ideal for trekking, camping, and backpacking adventures.

The Mountain Equipment Lunar III Sleeping Bag is a warm, packable, and versatile choice for backpacking and travel in cooler conditions. Featuring POLARLOFT® insulation and a durable Lunar 40D outer fabric, it provides reliable warmth while staying lightweight and compressible. Its alpine fit, anatomically shaped hood and foot box, and full-length zip baffle maximize thermal efficiency, making it ideal for chilly nights outdoors. With offset layer construction to reduce cold spots and a lightweight compression sack for easy packing, the Lunar III is a dependable companion for cool-weather adventures.

The Mountain Equipment Klimatic II Women's Sleeping Bag is a lightweight, packable, and eco-friendly option for spring and summer backpacking and trekking. Made with 90% recycled POLARLOFT® insulation and a 100% recycled 20D shell and lining, it delivers warmth, durability, and sustainability. Tailored for women with an Alpine fit, anatomically shaped hood and foot box, and a full-length zip baffle, it maximizes thermal efficiency on cool nights. Backed by a Product Lifetime Guarantee and supplied with a lightweight compression sack, it's the perfect companion for eco-conscious adventurers.

The Mountain Equipment Klimatic III Sleeping Bag is the ultimate choice for trekking in cooler conditions and higher altitudes, combining warmth, sustainability, and durability. Made with 90% recycled POLARLOFT® insulation and a 100% recycled 20D shell and lining, it offers excellent thermal efficiency while minimizing environmental impact. Its alpine fit, anatomically shaped hood, and foot-box maximize warmth and comfort, making it ideal for backpackers and trekkers facing chilly nights. Designed in the UK and ethically manufactured, this sleeping bag is built to last and backed by a Product Lifetime Guarantee, ensuring reliable performance on every adventure.

The the Mountain Equipment Klimatic III Women's Sleeping Bag will provide warmth, comfort, and sustainability on cold-weather adventures. Crafted from 90% recycled POLARLOFT® insulation and a 100% recycled shell, it combines eco-conscious design with efficient thermal performance. The Women's Alpine Fit, wave layer construction, and anatomically shaped hood and foot box maximize warmth, while a full-length zip baffle and integrated collar minimize heat loss. Lightweight and compressible, this bag is easy to carry and built to last, backed by a lifetime guarantee.

The Mountain Equipment Klimatic II Sleeping Bag is a lightweight, packable option for eco-conscious adventurers tackling spring and summer backpacking trips. Made with 90% recycled POLARLOFT® insulation and a 100% recycled 20D shell and lining, it balances warmth, durability, and sustainability. Its wave layer top, single-layer underside, and alpine fit enhance insulation while reducing weight. An anatomically shaped hood, foot box, full-length zip baffle, and integrated collar maximize thermal efficiency. Backed by a Product Lifetime Guarantee and ethically produced, it's a reliable, earth-friendly choice for outdoor exploration.

The OMM Ltd Mountain Raid 303 is the warmest sleeping bag in OMM's range, perfect for those who feel the cold or want to extend their camping season into harsher conditions. With three times the insulation of OMM’s lightest options, this bag uses PrimaLoft® Cross-Core Gold Eco insulation, known for its superior warmth-to-weight ratio and ability to retain heat even when wet. The strategic insulation mapping (170g/m² on top and 133g/m² on the base) ensures maximum warmth without unnecessary weight, while the DWR-treated PointZero shell repels moisture. A half-length YKK zip minimizes cold spots, and the mummy-style hood, tapered fit, and shaped footbox enhance heat retention and comfort. The Mountain Raid 303 is an efficient and sustainable choice for cold-weather adventurers.

The Mammut Comfort Fibre Bag -15C is the warmest, most eco-friendly option for cold-weather camping. Made with 85% recycled insulation and 100% recycled fabrics, it features a mummy shape, draft collar, and two-way zipper for optimal warmth and ventilation. It also converts into a blanket for warmer nights. Lightweight, packable, and PFC-free, it’s perfect for hikers and eco-conscious adventurers.

The OMM Ltd Mountain Raid 160 is a PrimaLoft insulated, minimalist sleeping bag that's perfect for competitors and fast packers that require a strong but lightweight sleeping system. The Mountain Raid provides and excellent degree of warmth for its weight and has been constructed from OMM's own windproof PointZero fabric with DWR which offers a decent amount of water resistance for if or when your pack takes a dunking en route to camp.

The Mammut Comfort Fibre Bag -5C is the perfect sleeping bag for camping trips and relaxed outdoor adventures. It features a mummy shape for optimum insulation, a zipper baffle and a draft collar to effectively seal in heat, keeping you snug and comfortable on those colder nights. If it's warmer than you expected, you can simply unzip and use the bag as a cosy blanket instead. Made with 85% recycled fill, 100% recycled fabrics, PFC-free water-repellent coating, and innovative cutting pattern to significantly reduce waste, this eco-conscious bag helps you get a good night’s sleep, while respecting the landscapes you love.

The Mammut Comfort Fibre Bag -1C is a comfortable synthetic sleep bag that will keep you warm and snug when the temperature dips. From Mammut's dream series, this sleeping bag has a mummy silhouette that quickly transforms into a cosy blanket when weather is fair, perfect for camping and relaxed outdoor adventures. Made with an 85% recycled fill, 100% recycled fabrics, a PFC-free water-repellent coating, and an innovative cutting pattern to significantly reduce waste, this eco-conscious bag helps you get a good night’s sleep, while respecting the landscapes you love.

The Mammut Comfort Fibre Bag -7C Women's is a snug and cosy synthetic sleeping bag that's perfect for camping and relaxed outdoor adventures. It features a mummy silhouette, a zipper baffle and draft collar to effectively seal in heat, if it's warmer than expected you can simply unzip and use it as a blanket instead.

The OMM Ltd Mountain Core 125 presents an ultralight sleep system, marrying next-to-skin comfort and breathability with a 125g/m2 PrimaLoft® ACTIVE liner fabric. Offering an open fleece sensation and exceptional warmth-to-weight ratio, it provides superior comfort and mitigates the clamminess typical of traditional sleeping bags, although it does not match the award-winning ratio of the Mountain Raid range.

The Mountain Raid 233 is OMM Ltd's warmest sleeping bag yet and features PrimaLoft Cross-Core Gold insulation for the highest possible levels of performance. The windproof PointZero shell has a DWR treatment to aid water repellency and PrimaLoft insulation, which performs even when wet. It's tapered fit reduced dead air whilst the footbox makes for a more comfortable sleep position. The Mountain Raid 233 is perfect for lightweight adventures in the colder months, or for Mountain Marathon competitors looking for a better night's sleep.

The OMM Ltd Rotor Hood Jacket combines the cosy PrimaLoft® Gold in its body with the more streamlined performance of PrimaLoft® ACTIVE fabric insulation in its sleeves and key areas. It serves as an excellent choice for boosting warmth at camp or as a dynamic layer during freezing runs, making it a valuable addition to your gear. Its lightweight materials and design ensure a compact pack size and minimal weight when not in use.