65% polyester/35% cotton. (Black/Dark Grey ; Forest Green/Black ; Royal Blue/Navy : 65% recycled polyester and 35% cotton). Piqué knit. Ribbed collar. 3-button matching placket. Contrast panels down arm and sides. Self-fabric cuffs. Certified STANDARD 100 by OEKO-TEX® N° CQ 1007/7, IFTH.