The Sea to Summit Adaptor COOLMAX Traveller Liner with Insect Shield is a versatile sleeping choice for your buggiest adventures. It is s ideal for use on its own in warm climates or as a liner in your regular sleeping bag. The popular “Traveller” has a rectangluar shape for more leg room and has a pillow insert. This is the best model for use in hotels, hostels or where more space is needed. The Liner version has a tapered shape for better fit into a sleeping bag. The 100% COOLMAX polyester knit fabric is a proven moisture management fabric that adapts to varied temperatures and humidity. Even in balmy weather, the Adaptor provides a more comfortable night’s sleep. The knit construction is naturally stretchy, like your favorite t-shirt. FDA-approved Insect Shield treatment is a semi-permanent permethrin treatment which is applied to the finished product to help repel flies, chiggers, midges, ants, mosquitos, ticks and fleas. Insect Shield is safe against the skin and remains effective through up to 70 wash cycles. This Liner is a lightweight and compact part of your sleep system with bug protection that washes easily at the end of your adventures. Packs into its own Ultra-Sil stuff sack about the size of a red Solo Cup(6 x 4.5 in). Weight: 11.6 oz. Dimensions: Traveller: 7 ft 5 in x 3 ft (with pillow insert).