pack includes 20 pairs of athletic ankle socks rib-knit cuffs arch support zoned cushioning notched toe seams for comfort go-dry cool keeps you cool, dry and comfortable online exclusive ankle length S/M: shoe sizes 5-8 L/XL: shoe sizes 8-11machine wash according to the care instruction label spandex 3% polyester 17% cotton 77% other fiber 3% . Best Holiday gift for Women , perfect Socks for Christmas!