Are you planning your next outdoor adventure and looking for the perfect sleeping bag liner? Look no further than the 100% Merino Wool MummyLiner.Made from responsibly-sourced, high-quality Merino wool, the 100% Merino Wool MummyLiner is soft, lightweight, and stretchy, making it ideal for use in a variety of different conditions. The natural hollow spaces in the wool allow air to circulate, making it excellent at regulating temperature. Plus, it adds an impressive 12.6 of temperature to your sleeping bag, ensuring you stay warm and comfortable all night long. The MummyLiner also protects your sleeping bag from moisture, oils, contaminants, snags, and other physical damage that can decrease the life and insulation rating of your sleeping bag. With its completely double-stitched construction, drawstring hood, boxed foot bed, and wide top opening, this liner is designed to provide a snug and comfortable fit, ensuring you get a great night's sleep every time.