UA Storm technology repels water without compromising breathability. Lightweight fabric provides excellent comfort and durability. Full-area 80g synthetic insulation for warmth without excess bulk. The ColdGear infrared lining uses a soft, thermally conductive inner layer that absorbs and retains body heat. Secure zippered pockets on the hands and an inner chest pocket. Elastic sleeve hems for a secure fit. It uses a fluorine-free water-repellent treatment.