Big mountain skiing, snowboarding/skiing, hiking, travel. Shell: 100% Nylon Lining: 100% Nylon Hood Lining: 100% Polyester Filling: 100% Polyester KAILAS independently developed technology cotton, with high resilience and loftiness, matching the warmth coefficient of 700FP down Retains 98% of its warmth even when wet, meeting the need for warmth in cold wind, light rain, and light snow wet environments FILTER-TEC three-layer protection technology, durable windproof, moisture permeable, and durable Adjustable 3D hood that fits the head closely, offering all-round wind protection Dynamic ventilation system, fearless of sweat, keeps you warm during sports activities Breathable underarm zipper helps regulate body temperature Mesh moisture-wicking structure on the back inner side, dynamically wicks away moisture and sweat Chest pocket design, easy to access items even when carrying a backpack Removable windproof and snow skirt, withstands wind and snow Drawstring adjustment system, convenient to adjust for a snug and windproof fit