Under Armour Tech Big Logo Printed SS T-Shirt. The boys' t-shirt with short sleeves in a loose cut is quickly dry, very comfortable and a soft surface gives you a natural feel thanks to the revolutionary material. This is aided by MTS technology, which supports moisture removal to the surface of the material. The cut with raglan sleevesss provide extreme mobility. Moulded hem provides better cover. Unique Under Armour design.