90% Polyester, 10% Elastane. Fabric: Knitted, Microfleece. Design: Logo, Plain. Fabric Technology: Durable. Sleeve-Type: Long-Sleeved. Neckline: Standing Collar. Fastening: Pull Over, Quarter Zip. 11-12 Years: 31 in. 2-3 Years: 21 in. 3-4 Years: 22 in. 5-6 Years: 24 in. 7-8 Years: 26 in. 9-10 Years: 28 in. Ref: UTTP6931