100% Polyester. Design: Printed, Swoosh. Neckline: Crew Neck. Sleeve-Type: Short-Sleeved. Fabric Technology: Durable. Fit: Regular. 7-8 Years: 36 in. 8-10 Years: 38 in. 10-12 Years: 40 in. 12-13 Years: 44 in. 13-15 Years: 48 in. Ref: UTGT62773