"What Our Gearhead® Experts Are Saying:""I’ve used a lot of cold-weather bags, but this is the one I’d trust above tree line when the forecast turns ugly. The waterproof shell is a lifesaver on long expeditions, and the heat retention is unreal—you crawl in shivering and thaw out fast.""When we’re planning missions where retreat isn’t an option—high-altitude summits, deep-winter expeditions, or extended Arctic travel—we count on the Inferno -40°F Sleeping Bag to safeguard our recovery each night. The 800-fill ProDown lofts quickly and traps heat even in damp environments, while a rugged, waterproof shell resists frost, tent condensation, and blowing snow when the weather turns hostile. A classic mummy silhouette maximizes thermal efficiency and makes it easier to pack the bag down in the morning before we load our sled or haul bag. The half-length zipper cuts weight while allowing quick venting during warm spells, and a compression sack keeps the whole system compact enough for expedition travel. With reinforced panels at the head and footbox and attachment points to keep it secured to a sleeping pad, the Inferno is engineered for life well below zero."
Price: $970.00 from Backcountry
| Merchant | Price | |
|---|---|---|
| $970.00 | Visit Store |
"What Our Gearhead® Experts Are Saying:""I’ve used a lot of cold-weather bags, but this is the one I’d trust above tree line when the forecast turns ugly. The waterproof shell is a lifesaver on long expeditions, and the heat retention is unreal—you...
"What Our Gearhead® Experts Are Saying:""When it comes to subzero adventures, this sleeping bag is a game-changer. The 800-fill ProDown™ insulation keeps me toasty in extreme conditions, while the recycled fabric and clever design, like anti-compression...
"What Our Gearhead® Experts Are Saying:""This sleeping bag is a must-have for extreme alpine conditions. The ProDown insulation is incredibly warm and stays lofted even in damp environments, while the shockcord system keeps my sleeping pad secure for...