The Under Armour® ColdGear Infrared Shield Jacket is a sleek softshell built to keep you warm. ColdGear Infrared's soft interior is thermo-conductive, so it holds your body heat for warmth that eliminates the need for extra layering. And the Jacket is a fitted softshell with superior stretch, close to your body without the compression squeeze while allowing easy movement. It's also windproof. So you stay warm and active while keeping Jacket weight and volume down.