ALPS Blaze -20°F XL Mummy Sleeping Bag: Extreme Cold Weather Insulation

Prepare for serious cold-weather camping with the ALPS Mountaineering Blaze -20° Sleeping Bag, a rugged and dependable cold-weather mummy bag built for extreme outdoor adventures. Rated to -20°F, this performance sleeping bag combines advanced insulation technology with thoughtful construction so you stay warm on winter backpacking trips, mountaineering expeditions, or late-season campsites. The Blaze -20° uses TechLoft Silver synthetic insulation, engineered with multiple denier, staple-length fibers and a siliconized finish that delivers exceptional warmth retention, loft, and compact packability. Featuring two-layer offset construction with a contoured hood, this sleeping bag helps trap body heat and block cold spots, while the insulated chest and zipper baffles work together to minimize draft and seal in warmth throughout the night. The durable polyester ripstop shell resists abrasion and moisture, and the soft polyester liner enhances comfort, making it ideal for multi-season use when temperatures plunge. The Blaze -20° is available in regular and XL sizes, offering longer and wider fits for taller campers or those who want extra room without compromising performance. When it’s time to pack up, the included standard stuff sack makes transport and storage simple. Built for cold nights and tough conditions, the ALPS Mountaineering Blaze -20° Sleeping Bag delivers the dependable warmth, durable construction, and reliable performance serious outdoor adventurers count on.
[face fabric] 100% polyester ripstop
Imported
Cold Weather Sleeping Bag – Blaze mummy bag uses TechLoft Silver synthetic insulation for loft, heat retention, and compressibility—perfect for camping and outdoor adventures.
Mummy Shape with Two-Layer Offset – Contoured hood and mummy design trap body heat and eliminate cold spots, keeping you warm and comfortable through the night.
Draft Protection System – Full-length #8 separating zippers with insulated chest and zipper baffle seal in warmth and block chilly air, making it a reliable 4 season sleeping bag.
Durable & Comfortable Build – Rugged polyester ripstop shell resists wear, while the soft liner provides next-to-skin comfort, ideal for long-lasting outdoor gear.
Packable Camping Gear – Includes a stuff sack for storage and transport. Pairs with the Mummy Liner (sold separately) for extra warmth on your adventures.