Mens Hanes 3 Pair Professional Grade Work Crew Socks - UOM cotton socks closure Professional grade maximum cushioning for high-impact protection and all day comfort. Extra durable heel and toe with reinforcement for long-lasting wear. Breathable cotton knit with spandex for a more customized fit. Moisture-wicking yarn helps keep your feet cool and dry. Secure fit with arch support. Fiber Content: 74% Cotton/21% Polyester/3% Natural Latex Rubber/2% Other Fibers