100% Cotton. Fabric: Overdye. Characters: Optimus Prime. Design: Printed. Neckline: Crew Neck. Sleeve-Type: Short-Sleeved. Fabric Technology: Pre-Shrunk. 100% Officially Licensed. Fit: Boxy. Style: Vintage. S: 32 in. M: 41 in. L: 37 in. XL: 39 in. XXL: 44 in. 4XL: 59 in. Ref: UTTT572