100% Polyester. Fabric: Plain Weave. Design: Plain. Fastening: Asymmetric. Neckline: Mandarin Collar. Sleeve-Type: Short-Sleeved. Features include bar shaped buttons, a central back pleat, princess seams, and side vents. 185gsm. Sustainability: Amfori, BSCI, Oeko-Tex Standard 100 Certified, REACH, Sedex.