Under Armour UA HG ARMOUR NOVELTY LS Men's compression T-shirt: the Under Armor UA HG ARMOR NOVELTY LS men's compression T-shirt is made of super light HeatGear fabric. The back and side panels of the T-shirt are made of stretch mesh for maximum ventilation. The material used wicks away sweat perfectly and dries very quickly. Under Armour UA HG ARMOUR NOVELTY LS