65% Polyester, 35% Cotton. Fabric: Poplin. Design: Plain. Fastening: Button-Down. Neckline: Collared. Cuff: Double Button. Sleeve-Type: Long-Sleeved. Hem: Rounded. 2 Back Darts. Key Features: Amfori, BCI Approved, REACH, Sedex, WRAP Certified. Sizing: 6 UK - 31 in, 8 UK - 33 in, 10 UK - 35 in, 12 UK - 37 in, 14 UK - 39 in, 16 UK - 41 in, 18 UK - 43 in, 20 UK - 45 in, 22 UK - 47 in, 24 UK - 49 in, 26 UK - 51 in, 28 UK - 53 in, 30 UK - 55 in.