Classic Fit | 65% Polyester for durability, and 35% Cotton for comfort | 245gsm drill fabric | Mandarin collar | Double breasted | 10 interchangeable buttons | Pen pockets on sleeve. Colours: Black, White, White/Black Piping. Sizes: 2XL, 2XS, 3XL, 4XL, L, M, S, XL, XS