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 4 metal buttons Shoulder yoke Ribbed cuffs Twin needle finish at hem Certified STANDARD 100 by OEKO-TEX®N° CQ1007/7, IFTH