Cocoon ThermaLiner - Mummy

Not too hot, not too cold—you'll be just right when you swaddle yourself in the supreme comfort of this toasty Cocoon sleeping bag liner. ThermaLiner helps regulate sleeping temperature and moisture, allowing you to have a comfortable night's sleep. CoolMax® fabric wicks away moisture while Outlast® technology absorbs, stores and releases heat as needed. Adds 12°F warmth to the temperature rating of your sleeping bag. Keeps your sleeping bag clean and extends the life of your bag. Width tapers from 35 in. at the shoulder to 22 in. at the foot. Wash by hand or machine wash on gentle with mild soap.