All-Weather Warrior | Kaier Stone Kanas Hard Shell Down Jacket .The ultimate choice for professional outdoor enthusiasts during winter! .The outer layer features a 2L GORE-TEX ePE functional hard shell fabric, with fully taped seams and YKK waterproof zippers, providing strong protection against wind and rain. Whether you're mountaineering, hiking, or skiing in snowy weather, it effectively blocks rain and melting snow from penetrating, keeping the inside dry for a long time.Filled with 90% 700 fill power high-quality gray goose down, offering exceptional cleanliness and excellent loft and rebound. The innovative zoned insulation structure: the main body is insulated with down for long-lasting warmth, while APEX HEAT technology cotton is embedded in the armpit and hood areas prone to moisture, preventing the down from getting damp and losing heat, ensuring stable insulation in cold and wet environments, comfortably handling temperatures around -15