100% Polyester. Fabric: Performance. Design: Logo, Panel Detail. Fabric Technology: Dri-FIT. Hem: Straight. Neckline: Crew Neck. Sleeve-Type: Long-Sleeved, Raglan. Cuff: Thumb Hole. Fit: Regular. Fastening: Pull Over, Side Zip. 8 UK: 32.5 in. 10 UK: 35.5 in. 12 UK: 38 in. 14 UK: 44.5in. 16 UK: 48.5 in.