Set-in sleeve. 1×1 rib at neck collar . Inside back neck tape in self-fabric. Sleeve hem and bottom hem with narrow double topstitch. Men’s, fitted, short sleeve, round-neck. 100% organic ringspun combed cotton. Single Jersey. Fabric washed. Washing Instructions Wash at 30?. Bleaching no. Ironing 110?. Do not tumble dry. Do not dry clean.