The Equinox Fleece Camp Sleep Sack is made of 200 weight micro fleece for a soft, comfortable sleep. This bag can be used as a liner to keep your sleeping bag clean and extend its temperature range. Or, use as a lightweight sleeping bag in warm weather. Fleece Camp Sleep SackBlanket Bag can be used as bag liner, sleep sack or to just take a nap use like a blanket. 8 YKK zipper for easy access. All edges are fabric taped. 13x8 stuff bag included. Size: 72 x 28 56x72 when unzipped for use as a blanket. Weight 27 oz. Made in the USA.