70% Cotton, 30% Polyester. Fabric: Single Jersey. Design: Printed. 153gsm. Fabric Technology: Heavyweight. Hem: Ribbed. Back Neck Tape, Branded Neck Label. Neckline: Crew Neck, Ribbed. Sleeve-Type: Long-Sleeved. Cuff: Ribbed. Fastening: Pull Over. 100% Officially Licensed. 12-13 Years: 40 in. 5-6 Years: 34 in. 7-8 Years: 36 in. 9-11 Years: 38 in. 3-4 Years: 32 in. Ref: UTBI4100