Under Armour Men's ColdGear Infrared Werewolf Jacket Polyester UA Storm gear uses a DWR finish to repel water without sacrificing breathability 100g Primaloft insulation is lightweight, water-resistant, breathable and can be compressed without losing warmth ColdGear Infrared uses a soft, thermo-conductive inner coating to absorb and retain your own body heat Windproof, bonded 2-layer softershell material on chest and arms ColdGear cuffs add stretch and warmth that shuts out the chill