100% Polyester. Design: Contrast, Geometric, Printed. Neckline: Crew Neck. Sleeve-Type: Long-Sleeved. Fastening: Pull-On. Fabric Technology: Lightweight, Moisture Wicking, Quick Dry, Soft. Fitted Cuff. Contents: 1 Bottoms, 1 Top. 5-6 Years: 23.5 in. 7-8 Years: 25 in. 9-10 Years: 27.5 in. 11-12 Years: 30 in. 13 Years: 32 in. 2-3 Years: 21.5 in. 3-4 Years: 22 in. Ref: UTMW3813