Cold Gear 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, quiet outer fabric with UA Scent Control waffle fleece lining to keep you warm & undetected. Cold Gear Infrared technology uses a soft, thermo-conductive coating to absorb & retain your body heat. Stretch-engineered waistband with higher back rise for added coverage & security. Articulated moto knees provide unprecedented mobility & no-lift-fit. Open hand pockets & secure, zip cargo pocket.