Triblend meaning three materials interwoven for ultimate softness, comfort stretch, and moisture wicking properties Quality HD raised silicone heat transfer graphics for durability, and in team colors. Tagless Collar, Slim Fit, and Interior Taping to reduce chafing and increase comfort Officially Licensed Product Machine Wash. Fabric: 50% Polyester, 25% Cotton & 25% Rayon In X-Large it measures 31 inches long, and 24 inches across the chest. (All measurements are handmade and approximate.)