Equinox Sleeping Bag Liner
Here's what other sites are saying:
The Vapor Barrier Liner Regular is made of a waterproof coated nylon. It extends the range of your bag by 10? to 15?. It keeps heat in and reduces evaporative heat loss. For use in temperatures well below freezing. Weight = 10 oz. Size: 78 in. x 27 in. x 12.75 in. Made in the USA.Vapor Barrier keeps heat inWaterproof coated nylon keeps moisture outExtends the temperature range of your sleeping bagSize: 6'2" x 2' 3" x 12.75 in.Weight = 10 oz.Stuff Size: 11.5 in. x 7.5 in.Made in the USA.