Down Ultralite 300 ultra-light goose down sleeping bag ideal if you have to carry your equipment. Delivered in its compression bag, it will only take up 2.5 liters in your backpack. WILSA has developed a complete range of top-of-the-range down sleeping bags, based on high-performance materials (90% white goose down, microfiber envelope) and excellent manufacturing quality (compartments with micro-ventilated walls). All these elements make it possible to achieve exceptional levels of thermal performance and weight. This sleeping bag is a true concentrate of technology essential for your hikes/expeditions!