The Under Armour Launch Short Sleeve T-Shirt lets you train without compromise. Super-soft, breathable, and built to perform, this short-sleeved ‘Armour' redefines your workout experience. The ribbed collar stretches to let you move unrestricted. Get ready to launch your best self with the Under Armour Launch Short Sleeve T-Shirt. 60% cotton/40% polyester. Imported.