This 100% polyamide and Helium 20D nylon sleeping bag traps in warmth and keeps you insulated all night long. It packs down super small to fit in your pack with ease and is just over a Kilo in weight. It has a snug mountain fit and to keep the wind out also has a draft collar, zip cover and an anatomically shaped hood and foot box so there aren't lots of places for cold air to congregate.
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