100% Polyester. Design: Face, Logo, Printed, Spider, Spider Web. Neckline: Contrast, Crew Neck, Ribbed. Hem: Cuffed. Sleeve-Type: Short-Sleeved. Fabric Technology: Breathable, Soft. Fastening: Pull Over. 100% Officially Licensed. Contents: 1 Bottoms, 1 Top. 3-4 Years: 22.5 in. 7-8 Years: 26 in. 4-5 Years: 23 in. 8-9 Years: 27 in. 5-6 Years: 24 in. 6-7 Years: 25 in. 2-3 Years: 21.5 in. 9-10 Years: 28.5 in. Ref: UTNS8648