Under Armour Coldgear Infrared 1/4 Zip Jacket - Men's Don't let the cold slow you down with the Under Armour Infrared Quarter-Zip Jacket. Designed for weather between 0-55 degrees, this jacket has a soft, thermo-conductive coating on the inner layer that absorbs and retains your own body heat to keep you warmer, longer without added bulk or weight. Under Armour's signature moisture transport system wicks sweat away from your body to keep you dry and comfortable. Thumb holes and hand pockets keep your sleeves in place and keep your hands warm, and a secure media pocket on the bicep lets you listen to your favorite jams on the go. An elastic hem provides a snug, comfortable fit and keeps the weather out. 100% polyester. Imported.