Crafted from a soft and comfortable cotton-poly blend, this liner enhances your sleeping bag s warmth and comfort. The cotton provides a gentle touch next to your skin, while the polyester ensures you stay warm and snug. Whether you're camping, hiking, or traveling, the MummyLiner is designed to keep you comfortable in any setting.Imagine extending the life of your sleeping bag while enjoying an added layer of warmth. The MummyLiner is not only economical but also lightweight and compact, making it easy to pack and take on all your adventures. Its durable construction ensures long-lasting use, providing you with reliable comfort trip after trip.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.andnbsp Don t settle for chilly nights on your outdoor excursions.