The Dreamliner 170 is a lightweight sleeping bag liner made with a Woolmark certified, Aussie Merino and Tencel blended fabric. Merino Wool acts as a thermo-regulator, keeping you cool in warmer climates and warm in colder climates. It's odour repellent, extremely breathable, silky smooth and non-itch. Ideal for travellers, the Dreamliner170 weighs in at 325gms and increases sleeping bag performance up to 5-7℃.