100% Polyester. Fabric: Polar Fleece, Soft Touch. Design: Checked. Pockets: 2 Chest Pockets, Flap Closure, Buttoned. Fastening: Button-Down. Cuff: Buttoned. Neckline: Collared. Sleeve-Type: Long-Sleeved. Fabric Technology: Breathable. Fit: Relaxed Fit. 9-10 Years: 32 in. 7-8 Years: 31 in. 5-6 Years: 30 in. 11-12 Years: 33 in. Ref: UTTD126