95% polyester QUALITY MEN’S SOCKS: Made of 95% polyester,5% spandex. Our men’s athletic socks are strong, durable and breathable enough to keep your skin to keep you dry, and light. Moisture transport system wicks sweat away from the body. PERFORMANCE: Plush under sole cushioning for extra protection and?longer wear. Reinforced heel and toe for enhanced durability. Y shaped deep heel pocket ensures that the sock fits the contours of the foot so perfectly and WILL NOT SLIDE DOWN! Arch elastic provides added support and keeps the socks firm on the feet when you wear. PACK & STYLE: All Pack included 6 pairs.The color is classic, subtle and easy to coordinate.The color and comfort level means they can be worn as men’s dress socks, sport socks, casual socks. SIMPLE TO CARE FOR: Machine wash cold.?Please do not dry clean, do not bleach, do not iron and drying them.??Item will shrink if left in the dryer for too long.?Best is to air-dry.?Socks dry pretty fast. SIZE: One Size Fits Most Men.Mens Shoe Size 6-12 (US)(Sock Size 10-13).