UA Storm technology repels water without compromising breathability. Allied 700 duck down insulation provides extreme warmth and comes from responsible sources that can be tracked with a label. The ColdGear infrared lining uses a soft, thermally conductive coating that absorbs and retains body heat. Comfortable collar with fleece lining for more warmth and comfort. Secure zip pockets and inner chest pocket. Inner cuffs made of soft ColdGear knit for greater comfort and inner bottom hem with adjustment for a secure fit. It uses a fluorine-free water-repellent treatment. The main fabric contains at least 90% recycled polyester, excluding hems and details.