Stride Rite Boy's 6 Pack Emergency Vehicles No Show Socks 1st 3rd 6th: 60% Cotton/22% Polyester/15% Nylon/3% Spandex; 2nd 4th 5th: 67% Cotton/24% Polyester/6% Nylon/3% Spandex Imported Machine Wash We use only the highest quality of materials to combat wear and tear Our cotton rich composition ensures that our hosiery feels good against little feet