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. Weight: 185gsm. Sustainability certifications: Amfori, BSCI, Oeko-Tex Standard 100 Certified, REACH, Sedex.