The Dreamliner 170 is a lightweight sleeping bag liner made from 100% Australian Merino Wool. 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 Deamliner weighs in at 325gms and increases sleeping bag performance by up to 5℃.