100% Polyester. Fabric: Microfleece. Design: Plain. Fabric Technology: Anti-Pilling, Breathable, Lightweight, Quick Dry. Neckline: Hooded. Sleeve-Type: Long-Sleeved. Fastening: Pull Over, Quarter Zip. 13 Years: 32 in. 9-10 Years: 28 in. 7-8 Years: 26 in. 2-3 Years: 22 in. 11-12 Years: 30 in. 5-6 Years: 24 in. Ref: UTMW2090