ColdGear® Infrared technology holds in body heat, without adding weight or bulk. It's a special, soft print on the inside and it keeps you warmer, longer, so you can work out in the bitter cold.. UA Storm technology repels water without sacrificing breathability. Durable, bonded 3-layer softshell material has a quiet outer layer & superior stretch. Windproof materials shield you from the elements. ColdGear® Infrared lining uses a soft, thermo-conductive coating to absorb & retain your body heat. 4-way stretch material moves better in every direction. Secure, zip hand pockets & chest pocket. Drawcord adjust on bottom hem for a secure, custom fit. Garment should be washed & dried fully zipped & turned inside out. 100% Polyester.