James Fiallo Men's 6 Or 12 Pack Cotton Crew Socks (With Aegis Microbe Shield) 80% cotton Fits shoe 6-12 (sock size 10-13) Providing protection against bacteria, fungus and related odors. All-season, Smooth toe seam, Ribbed cuffs to keep socks in place Machine wash warm do not bleach tumble dry low 80% Cotton 20% pollyester