Under Armour UA MK-1 EU SS-BLU T-shirt. HeatGear fabric® is extremely soft, smooth and comfortable.On the back and armpits, a vesiable material that gives you strategic ventilation.Flexible construction in all directions, for undisturbed movement.Anti-odour technology prevents the growth of odour-causing microbes.Under Armour logo on the chest.Material: Polyester / Elastan.