90% Cotton, 10% Polyester. Fabric: Midweight, Soft Touch. Design: Heathered, Logo, Printed. Neckline: Crew Neck, Ribbed. Sleeve-Type: Short-Sleeved. Single Needle Collar Stitching. 100% Officially Licensed. 165gsm. 12-13 Years: 37 in. 3-4 Years: 28 in. 5-6 Years: 30 in. 7-8 Years: 32 in. 9-11 Years: 34.5 in. Ref: UTBI55611