100% Polyester. Fabric: Micro Pique, Yarn. Design: Plain. Fastening: Button. Sleeve-Type: Cuffed, Short-Sleeved. Neckline: Flat Knit Collar. Fabric Technology: CoolPlus, Moisture Wicking. 2 Button Placket, Easy-Care, Locker Patch, Side Vents, Taped Neck, Twin Needle Stitching. 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: UTRW636