Arc'teryx Kappa Hoody Men's Imported KAPPA HOODY - Thermally efficient, air-permeable Coreloft insulation provides warmth, and the durably windproof, water resistant, highly breathable, fully taped GORE THERMIUM shell sheds snow and light rain. ARC'TERYX ESSENTIALS - Versatile high performance designs for diverse activities and conditions. SYNTHETIC INSULATION - Man-made insulation with quick dry times, durability and retains warmth when damp. WINDPROOF MATERIAL - Impervious to wind and offers significant weather resistance with lighter weight protection.