100% Cotton. Characters: Donatello, Leonardo, Michelangelo, Raphael. Design: Graphic Print, Pizza, Text. Hem: Ribbed. Neckline: Crew Neck, Ribbed. Sleeve-Type: Long-Sleeved. Cuff: Ribbed. Fastening: Pull Over. 100% Officially Licensed. 5-6 Years: 24 in. 13-14 Years: 33.5 in. 3-4 Years: 22.5 in. 11-12 Years: 31 in. 7-8 Years: 26.5 in. 9-10 Years: 28.5 in. Ref: UTNS8535