Put on the Mizuno Boys' Comp Diamond Long Sleeve Crew Shirt and get ready to take on the day. This shirt is made of 88% polyester and 12% spandex to offer softness and the ability to stretch as you move, and the DRYLITEî technology helps wick away excess moisture and sweat to let you go about the day without distractions. Mizuno Boys' Comp Diamond Long Sleeve Crew Shirt Dark Red, Small - Boy's Athletic Tops at Academy Sports