Details: 65% Polyester for durability, 35% Cotton for Comfort, 190gsm Drill Fabric, Mandarin Collar, Double Breasted, 10 Interchangeable buttons, Pen pockets on sleeve, Vented back yoke with under-layer mesh fabric, Underarm with mesh fabric, Side splits for added comfort, Classic Fit. Colours: Black, White. Sizes: S, M, L, XL, 2XL, 3XL, 2XS, 4XL, XS