The OakleyA(R) 5-Pack Crew Socks feature a ribbed arch support that contours the foot for a perfect fit along with a soft cotton blend for everyday comfort on or off duty.a 5 packa Ribbed arch support banda Soft hand feela 80.6% Cotton/14.6% Poly/2.9%Rubber/1.3% Nylon/0.6% Elastanea M (Men's US 6-9.5)/ L (10-13)