100% cotton. (90% cotton / 10% viscose for marl colourway). Piqué knit in combed cotton. Washable at 60°C (40°C for marl colourway). Ribbed Mandarin-style collar with contrasting piping. Placket with 3 contrasting buttons. Ribbed cuffs. Twin needle finish at hem. Certified STANDARD 100 by OEKO-TEX® N° CQ 1007/7, IFTH.