100% Polyester. Design: Logo, Plain. Neckline: Crew Neck. Hem: Curved. Sleeve-Type: Short-Sleeved. Fabric Technology: Breathable, Lightweight, Moisture Wicking. Flatlock Stitching. Length: Regular. Occasion: Training. 8 UK: 33 in. 10 UK: 35.5 in. 12 UK: 38 in. 14 UK: 40.5 in. 18 UK: 46 in. 16 UK: 43 in.