You don't have to take your workout indoors when cold weather comes as long as you throw on the Under Armour fitted ColdGear men's long-sleeve crew. It's crafted using the moisture-wicking ColdGear performance fabric that draws sweat away from your skin to keep you cool and keep your temperature regulated. The anti-microbial treatment prevents odor-causing microbes from gaining a foothold on the top. The best training top when the cold weather arrives. UA ColdGear helps you keep your core warm with a brushed inner face that traps warmth. Meanwhile ColdGear's moisture transport system ensures that perspiration quickly moves away from your body so that you stay dry and comfortable.