The North Face Dark Star Sleeping Bag: -40 Degree

Product Descriptions

Eastern Mountain Sports Description: When minimal weight and maximum warmth are crucial, The North Face Summit Series Dark Star -40? provides the highest level of protection and comfort with synthetic Climashield insulation and Pertex Quantum shell fabric. Solid, lightweight Climashild Apex core and Apex shingles layered over body core at top of bag serve as an efficient radiant heat barrier for excellent warmth, even when wet, and transport sweat vapor through shell fabric. Shingled, high-loft Climashield Prism insulation at bottom of bag provides durable loft and consistent warmth; retains warmth when wet and transports sweat vapor through shell fabric. Soft, superlightweight 20D Pertex Quantum shell fabric for excellent strength-to-weight ratio. DWR (durable water repellent) finish repels moisture on shell fabric; 30D nylon taffeta lining. Ergonomic hood with single-point cord lock adjustment surrounds head for warmth and comfort. Down-filled draft collar to seal in warmth. Vaulted ergonomic foot box allows natural foot movement while retaining warmth. Down-filled draft tube along zipper keeps warmth from escaping. Zipper reinforcement for smooth, anti-snag zipping. Shoulder-level zip watch pocket. Glow-in-the-dark zipper pulls; hang loops for drying. Expedition fit for more warmth, less weight and bulk. Compression stuff sack doubles as a summit pack; mesh storage bag. This product is part of The North Face Summit Series: athlete tested, expedition proven.

Backcountry Description: Sure, maybe you're absolutely nuts to be out in this weather, but at least you can rely on The North Face Dark Star -40 Degree Synthetic Sleeping Bag to keep you safe and warm, even at the top of the world at night. How to stay warm during the day is a different issue altogether.