100% combed cotton (French Navy Heather : 80% cotton / 20% polyester - Grey Heather : 65% polyester / 35% cotton - Oxford Grey : 90% cotton / 10% viscose). Jersey knit fabric. Shirt collar. Placket with 3 metal buttons. Shoulder yoke. Ribbed cuffs. Twin needle finish at hem. Certified STANDARD 100 by OEKO-TEX®N° CQ1007/7, IFTH.