100% Cotton. Fabric: Midweight. Design: Ravenclaw. Neckline: Crew Neck, Ribbed. Sleeve-Type: Short-Sleeved. Single Needle Collar Stitching, Supersoft. 100% Officially Licensed. 153gsm. 12-13 Years: 38 in. 5-6 Years: 32 in. 7-8 Years: 34 in. 9-11 Years: 36 in. 3-4 Years: 28 in. Ref: UTBI419