This thermal sheet will help you save unnecessary weight in your backpack on any fastpacking or lightweight backpacking trip you might be planning. Rated at 50 degrees this thermal sheet can be used for anyone feeling creative and who wants to integrate part of their ultralight hiking clothes in a sleep system. This Montbell thermal sheet will also unzip into a quilt for ultimate versatility. The drawstring neck adjustment will help hold in body heat. While you’re trekking the Tuolumne High Sierra camp route this thermal sheet would greatly aid in your adventure. Details: Weight: 15 oz. (427 g), Insulation: 800-Fill Goose Down, Length: To 6’.