100% Polyester. Fabric: Micro Pique. Design: Plain. Fastening: Button, Pull Over. Neckline: Ribbed, Turn Down Collar. Sleeve-Type: Sleeveless. Fabric Technology: CoolPlus. 4 Button Placket, Dyed-to-Match Buttons, Ribbed Armholes, Tearaway Label. Fit: Regular. 180gsm. Sustainability: Amfori, BSCI, Oeko-Tex Standard 100 Certified, Sedex, WRAP Certified. XS: 32 in. S: 34 in. M: 36 in. L: 38 in. XL: 40 in. XXL: 42 in. 3XL: 44 in. Ref: UTRW10526