100% Polyester. Fabric: Neoteric. Design: Plain. Neckline: Crew Neck, Self Fabric, Taped. Cuff: Self Fabric. Sleeve-Type: Set-in, Short-Sleeved. Fabric Technology: Moisture Wicking. Tearaway Label, Twin Needle Stitch. 140gsm. Sustainability: Amfori, BSCI, Oeko-Tex Standard 100 Certified, PETA-Approved Vegan, Sedex, WRAP Certified. Conforms to Safety Standard: GTX Pro Tested. XS: 37 in. S: 39 in. M: 41 in. L: 43 in. XL: 45 in. XXL: 48 in. 3XL: 50 in. 4XL: 53 in. 5XL: 56 in. Ref: UTRW683