Heat Gear Armour is our original performance base-layer, it\\\'s the layer you put on first and take off last. It\\\'s tight to wick away sweat and quick-drying to keep you cool. No athlete can go without it. Featuring ultra tight compression the super-light HeatGear fabric delivers superior coverage without weighing you down. The material is designed to wick sweat & dries really fast, the use of 4-way stretch construction moves better in every direction, further complimented by the Ergonomic flat-lock seams deliver a comfortable, chafe-free fit.