100% Polyester. Fabric: Knitted, Microfleece. Design: Logo, Plain. 500gsm. Fabric Technology: Lightweight. Airtrap, Contrast Binding, Contrast Zip. Sleeve-Type: Long-Sleeved. Neckline: Zip Neck. Fastening: Half Zip. 7-8 Years: 26 in. 9-10 Years: 28 in. 11-12 Years: 31 in. 3-4 Years: 22 in. 2-3 Years: 21 in. 5-6 Years: 24 in. Ref: UTTP4951