100% Polyester. Fabric: Microfleece, Soft Touch. Design: Plain. Fabric Technology: Anti-Pilling, Lightweight, Quick Dry. Sleeve-Type: Long-Sleeved. Neckline: Standing Collar. Fastening: Half Zip, Pull Over. XXS: 33 in. XS: 35 in. S: 37 in. M: 40 in. L: 43 in. XL: 46 in. XXL: 49 in. 3XL: 53 in. Ref: UTMW3270