The North Face Inferno : -20F Down

For expeditions where the choice of gear may be the difference between summit success or air lift rescue, this premier subzero bag is go-to. Thermal down sleeping bag is constructed with 850 fill goose down, and designed for suitable use in temperatures down to -20«F. When conditions are as extreme as 20 below, your bag can not get wet. Waterproof... morePertex Endurance shell provides essential protection for critical conditions to keep you dry in cold, wet conditions. Features. Packable/Stowable. Highly-compressible layer for emergency use or travel. 20D Pertex Endurance shell. Side-block chevron baffles. Vaulted footbox. Winter heat trap with center draw. Expedition fit. Compression stuffsack doubles as a summit pack. Tip: Get a bag 15-20 degrees cooler than what you are using it for if you are a cold sleeper. WEIGHT: reg: 3 lbs 6 oz (1531 g) / long: 3 lbs 10 oz (1644 g). TEMPERATURE RATING: -20°F.