From couch-surfing sessions, to warm weather nights under the stars, this cotton liner is the perfect travel companion. Cotton/polyester blend is soft against skin, and is ideal for adding the extra warmth you need to a sleeping bag, or on its own as a barrier between you and a mattress on warm-weather overnights. Features: - Layer this cozy cotton liner inside your bag to keep cozy with a little extra warmth - Stands alone as a packable layer for travel and warm-weather overnights under the stars - Features a generous side opening that can be tied closed for increased insulation or opened for maximum ventilation - Keep dirt and body oils out of your sleeping bag with this easy-to-wash removable liner - Easily reversible to fit right or left zip sleeping bags - Minimalist cinch-hood closure for one-handed temperature regulation - Durable seam construction is smooth and comfortable against your skin - Stuff sack included