Shell: 100% nylon Lining: 100% nylon Filling: 100% goose down Fight against extreme cold: Siberian 900FP water-repellent goose down for warmth Fight against strong wind and snow: GORE-TEX INFINIUM fabric for wind and snow resistance, efficient perspiration and breathability Seam-taped for complete protection Well-designed structure to cope with 7000+ climbing environment Ideal choice for high-altitude climbing with 5 times of evolution over 14 years and 150 production procedures 3D helmet-compatible hood delivers full protection - all-round windproof Zero binding for high altitude climbing - fit cutting for sports Wear-resistant fabric for important parts - fearless of abrasion High opening side pockets on chest with waterproof zippers, compatible with backpack and harness - quick storage and retrieval