100% Dri-FIT technology helps keep you dry and comfortable Quality HD Raised Silicone Heat Transfer Graphic in Team Colors for durability Tagless Collar, Regular Fit, and Interior Taping to increase comfort Officially Licensed Product Machine Wash. Fabric: 57% Cotton, 43% Polyester In Medium this shirt/top measures 30 inches long, 21 inches across at the chest, and has a 35 inch sleeve. (All measurements are handmade and approximate.)