Ensconce yourself in the buttery softness of the Cocoon 100% Microfiber MummyLiner. Not only is it lightweight and fast drying but it also adds up to 5.5F in warmth to your mummy sleeping bag's temperature rating. Extends the life of your sleeping bag. Use as a sleeping bag liner for mummy shaped bags, or as a stand alone sleeping bag in warm climates. Keeps your sleeping bag clean and extends its lifespan. Adds insulation and comfort. 100% polyester microfiber is lightweight, fast drying, breathable and has a soft hand. Drawstring hood. Wide top opening. Boxed foot end. Completely double stitched. Size: 95x35 Weight 8.1 oz.