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Lining your sleeping bag with the Cocoon Poly-Cotton MummyLiner adds 5F of warmth and keeps you from getting your sleeping bag as dirty. This cotton polyester blend liner makes an excellent choice for camping in warmer climates or as a bed liner during your travels.

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    I know they don't have this exact one anymore, but if there is anything similar I highly recommend it! This kept my sleeping bag nice and clean so after a week in the field all I had to do is throw it in the wash and I was ready to go the next week. Also made the cool desert nights manageable.