Big Agnes Cotton Sleeping Liner Dark Slate Wide Long. 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. Specifications for Big Agnes Cotton Sleeping Liner: Manufacturer: Big Agnes Packed Size: 8x4x3.5 in 8x3.5x4 in 9x4.5x3.25 in Color: Dark Slate Features of Big Agnes Cotton Sleeping Liner 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 100percent cotton without chemical treatments is gentle on your skin 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 Minimalist cinch-hood closure for one-handed temperature regulation Easily reversible to fit right or left zip sleeping bags Durable seam construction is smooth and comfortable against your skin Fabric: Cozy cotton/polyester blend Nylon ripstop and polyester mesh stuff sack Package Contents: Big Agnes Cotton Sleeping Liner Stuff sack included Big Agnes BLCWL26: Cotton Sleeping Liner Dark Slate Wide Long