Microfiber Made in the USA Adds up to 5.5 °F degrees to 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 lightweight microfiber, this liner is designed to enhance your sleep with its soft, breathable, and fast-drying fabric. The double-stitched design, drawstring hood, boxed foot bed, and wide top opening ensure maximum comfort and ease of use. Imagine an extra layer that not only adds comfort but also protects your sleeping bag from moisture, oils, contaminants, snags, and physical damage. The MummyLiners sleeping bag liner extends the life and insulation rating of your sleeping bag, keeping it clean and pristine. Plus, it's a breeze to clean and maintain. Elevate your sleeping setup with the MummyLiners sleeping bag liner. Featuring a double-stitched design with a drawstring hood and boxed foot bed for optimal thermal performance, as well as a wide top opening for effortless access, this MummyLiner is the perfect addition to your outdoor arsenal. Don’t settle for less—ensure comfort and cleanliness on your next outdoor adventure.