The Breeze Liner delivers all-weather comfort with a breathable blend of COOLMAX® 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.