Pick up the gains in comfort with the Under Armour Boys' UA Tech Printed Short Sleeve T-shirt. The 100% polyester UA Techâ⢠fabric offers an ultrasoft feel and a natural fit. The material wicks sweat and dries fast to keep you cool, dry and comfortable, while the anti-odor technology prevents the growth of odor-causing microbes to deliver a fresh, clean scent. Under Armour Boys' UA Tech Printed Short Sleeve T-Shirt Mod Gray/White, Large - Boy's Athletic Tops at Academy Sports