100% Polyester. Design: Plain. Fabric Technology: Durable, Soft. Sleeve-Type: Long-Sleeved. Neckline: Zip. Pockets: 2 Side Pockets, 1 Chest Pocket, Zip. Fastening: Full Zip. 1-2 Years: 20 in. 3-4 Years: 22.5 in. 5-6 Years: 24 in. 7-8 Years: 26 in. 11-13 Years: 32.5 in. 9-10 Years: 28 in. Ref: UTLJ316