Millet's Composite series sleeping bags are expertly designed for alpine treks and adventures. They are highly water repellent and compressible, packing up nice and tight for transportation. The SMARTBLEND(TM) insulation ensures outstanding warmth during those cold mountain nights, even in damp conditions. The built-in aluminized chamber coating reflects heat inwards, wicking away sweat at the same time. All of this in a comfortable mummy design with a comfort hood. Features: - Mummy shape - Water-repellent Nylon shell - Mattress hold straps - Anti-cold flap - Compression sack converts into a pillow - Millet Down Blend(TM) top fill - Outside shell: Nylon 40D / Polyester 50D RipStop - Weight: 1,200 kg