100% Polyester. Fabric: Polypropylene. Design: Contrast Colour, Plain. Fastening: Half Zip. Sleeve-Type: Short-Sleeved. Neckline: Turn Down Collar. Fabric Technology: Moisture Wicking, UV Protection. Contrast Zip, Radio Loop. Sun Rating: UPF 40+. Fit: Slim. Sustainability: Fairwear Foundation Certified, Oeko-Tex Standard 100 Certified, REACH. S: 38 in. M: 41 in. L: 44 in. XL: 48 in. XXL: 52 in. Ref: UTRW10985