The Adaptor Liner sleeping bag is an excellent versatile choice that adapts to varied temperatures and humidity. Easy to wash and helps to keep your sleeping bag cleaner for longer, like your favorite tee shirt and with its moisture-wicking properties. Wicks moisture for a more comfortable night's sleep Adapts to varied temperatures and humidity Comfortable stretchy fabric Keeps sleeping bag clean Machine wash and air dry. Avoid fabric softeners & dryer sheets to maintain wicking performance. Packs into its own Ultra-Sil stuff sack Size : Os Colour :Mummy, Traveller