When used as a sleeping bag liner, this sleep sack can add about 10 degrees of warmth to your bag. Made from 100% silk, it's soft and luxurious but weighs only 9 ounces. The double size lets you snuggle up where ever you are. Can be used as a standalone bag when only light cover is needed. Waterproof stuff sack included.
Specifications and Features:
Attached stuff sack 5"x4"