Cotton Imported Adds up to 7.2 °F degrees to a sleeping bagto a sleeping bag Wide top opening for easy entry and exit, ensuring hassle-free use and convenience while you're on the go. Contoured foot end designed to perfectly match the shape of your sleeping bag, ensuring maximum comfort and insulation throughout the night. Double-stitched throughout for exceptional durability, ensuring your sleeping bag liner withstands the rigors of outdoor adventures for years to come. Includes a compact and lightweight stuff sack for convenient storage and portability, making it effortless to carry and pack for all your outdoor expeditions. Crafted from long-fibered Pima cotton, this liner combines lightweight durability with luxurious comfort. Perfect for extending the life of your sleeping bag, the MummyLiner also adds an impressive 7.2℉ of warmth, ensuring you stay cozy even on the chilliest nights. Imagine wrapping yourself in the softness of Pima cotton, with features designed for ultimate comfort: a double-stitched design for durability, a drawstring hood for a snug fit, a boxed foot bed for extra room, and a wide top opening for easy use. The MummyLiner is not only comfortable but also compact and lightweight, making it the ideal travel companion for any camping trip. Don’t compromise on comfort during your outdoor adventures. Upgrade to the 100% Pima Cotton MummyLiner and enjoy unparalleled coziness and warmth.