100% Polyester. Fabric: Mesh Backing, Performance, Stretch. Design: Plain. Neckline: Crew Neck. Sleeve-Type: Long-Sleeved. Hem: Twin Needle Stitch. Cuff: Twin Needle Stitch. Fabric Technology: Colour Lock. Lightweight, Moisture Wicking, Tag Free. 135gsm. Conforms to Safety Standard: Amfori, BSCI. Suitable for: Screen-Printing, Transfer Printing. Sun Rating: UPF 40+. XS: 32 in. S: 34.5 in. M: 37 in. L: 39.5 in. XL: 41.5 in. Ref: UTRW6561