Sea To Summit Comfort Blend Rectangular with Pillow Sleeve uses a stretch-knit fabric made of polyester and Tencel Lyocell fibers to create a soft, comfortable, moisture-wicking layer around you. Features: The Tencel Lyocell/Polyester blend provides excellent moisture wicking and next-to-skin comfort. HeiQ odour control technology helps keep the liner fresh even after extended use. Stretch-knit fabric and a rectangular cut for superior freedom of movement. Rectangular with Pillow Sleeve is a great hygienic sleep sheet wherever you travel. Comes With: Storage Case. Sea To Summit Comfort Blend Rectangular with Pillow Sleeve sleeping bag liner