The Under Armour Mileage Run Mens T-Shirt is made with HeatGear fabric which will keep you completely comfortable throughout the whole session. Also coming in a Fitted, next-to-skin fit which will keep you warm. You will also be kept cool as you run thanks to the breathability of the shirt. The clasic crew neck and short sleeves make for an unrestrictive fit. Under Armour branding to chest.