High Quality:Reinforced heel and toe for enhanced durability,suitable for working,running,sports,outdoor, workout.Our mens crew athletic socks are very good quality.90% Polyester 10% Spandex . Max Cushion:Our mens crew socks have heavy cushion keeps feet comfortable,relaxed all day and help you avoid blisters during your daily activity. Arch Support:To improve foot arch fatigue and keep sock in place. These mens workout socks have just the right amount of cross stretch so socks stay put for a snug performance fit. Package:Each package includes 6 pairs of crew mens socks. Washing Note:Machine wash and hand wash, Suggest Cold Wash, no pilling, no fade, no smell. tumble or air dry.