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. Chest media pocket with interior escape. Secure hand pockets. Body: Polyester. Cuffs: Polyester/Elastane.