sunjazz Men Solid Super Thick Wool Crew Winter Socks 5-Pairs Material: Wool 38% Cotton 30% Terylene 27% Spandex 5% Size: fits shoe size 6-12 Function:Breathability/Invisibility/Antibiosis/Absorbent/Deodorization Hand or machine washing in cold water with neutral detergent Packing Contents:5 pairs socks