Sleeping bag designed for expeditions and withstanding the most extreme conditions and temperatures. The supreme thermal performance of a 1300g grey goose down fill, with water-repellent treatment for unrivalled comfort at base camp.Wider expedition shape, to sleep clothed with your gear K DRY™ hydrophobic goose down fillRipstop Nylon shell: tough, lightweight, water-repellent 3D build for enhanced loft Side half zip with double anti-cold flap Preshaped hood with drawcord / Shoulder collar / Inside pocketWaterproof compression sack Millet - Trilogy Ultimate - Sleeping bag