The Breeze Liner delivers all-weather comfort with a breathable blend of COOLMAXA(R) EcoMade and plush biobased Tencel Lyocell fibers that wick moisture to keep you comfortable even on warm nights. Its super-stretchy fabric, drawcord opening footbox, and arm openings (mummy only) provide versatile freedom of movement-ideal for use inside or outside your sleeping bag. Easy to clean and quick-drying, it features HeiQ Fresh odor control and helps extend your sleeping bag&';s lifespan by reducing wash frequency Best Use: Backpacking, Cycle touring, Paddle touring Features COOLMAXA(R) and Tencel fabrics work together to provide Climate Control, wicking moisture to keep you cool and comfortable on warm nights Stretchy knitted fabric fits any sleeping bag shape, offering exceptional freedom of movement whether you&';re sleeping still or tossing and turning HeiQ Fresh odor control technology keeps the liner fresh and airy even after extended use Mummy version features a drawcord footbox for enhanced ventilation and greater freedom of movement inside or outside your tent Technical hood and Climate Control shoulder openings are designed to maximize mobility and minimize weight without compromising comfort Machine washable and durable, this liner helps reduce washing of your sleeping bag, preserving its loft and extending its lifespan Traveller version includes a pillow sleeve, providing a clean, hygienic sleeping space anywhere your travels take you Constructed with lower impact certified recycled and bluesign APPROVED materials Tech specs Rectangular w Pillow Sleeve Weight 11.6oz Dimensions 88.6 x 31.5 in Packed Size 4.3 x 7.1 x 4.3 in Material(s) 70% Polyester, 30% Tencel Lyocell