A liner is the core of a sleep system, keeping your sleeping bag clean and improving your sleep climate. The Comfort Blend liner uses a stretch-knit fabric made of polyester and TENCEL Lyocell fibers to create a soft, comfortable, moisture-wicking layer around you. Best Use Moisture Management, Travel Comes With Storage Case Material(s) Coolmax Polyester & TENCEL Lyocell Special Bio-based HeiQ Fresh Odor Control 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 Available in a Rectangular shape, and a Rectangular version with standard-size pillow sleeve Rectangular version is designed for use with rectangular sleeping bags and quilts: improve your sleep climate while keeping your bag or quilt clean Rectangular with Pillow Sleeve is a great hygienic sleep sheet wherever you travel Sea to Summit Guarantee is offered for the Lifetime of this product Technical Features Tencel This product is made from 70% COOLMAXA(R) fiber and 30% TENCEL(TM). Lyocell fiber for exceptional temperature regulation and luxurious next-to-skin comfort. HEIQ Fresh Sea to Summit Liners are treated with HeiQ Fresh FFL, a biocide-free, highly effective odor control technology that uses a bio-based Amino Sugar Polymer to neutralize body odor. Rectangular Weight 10.2oz Dimensions 72.8 x 31.5 Packed Size 5.9 x 3.0 x 4.7 in Pack Size 7.1 x 3.1 x 5.1 in