Flightless Birds Emu Crew Socks Black 78% Cotton 2% Spandex 20% Nylon Unisex Socks: Fit Shoe Size 38-44;Sole Length 8 Inch,Sock Length 7 Inch. Fine Sock Head, Not Easy To Fall Off Extra Durable Heel And Toe For Extended Wear Heel Solid Designs, Supports, Conducive To Movement