Improve the temperature rating and increase the longevity of you sleeping bag with the Lifeventure Silk Mummy Sleeping Bag Liner. This ultra-lightweight and breathable liner can also be used alone in hostels around the world and ideal for, and sometime compulsory, in Alpine huts. It will keep you warm in the cold or cool in the heat, helping your body to regulate temperature effectively and silk is naturally odour resistant and wicks moisture effectively. Lifeventure Silk Mummy Sleeping Bag Liner Features: Ultra-Lightweight Breathable Material Use Alone or in Conjunction with a Sleeping Bag 100% Silk Regulates Body Temperature Wicks Away Perspiration and Dries Quickly Comes in a Tough Ripstop Carry Case Mummy Dimensions Packed: 130mm X 85mm X 50mm Dimensions Unpacked: 185cm X 85cm-56cm Weight Approx 108g