The Nike Dri-FIT crew socks give you the moisture-wicking performance and cushioned support you need to go the distance. package of 3 pairs Dri-FIT moisture technology wicking keeps feet cool and dry reinforced heel and toe for durability left/right-specific for a better fit arch compression for perfectly snug fit cotton/nylon/polyester/spandex washable imported sock size 10-13, fits shoe sizes 8-12