Pack includes 10 pairs of ankle socks in assorted solid colors. Rib-knit ankle-length cuffs. Soft-knit fabric, with comfortable stretch. Notched seams at toe and heel for added comfort. These socks are totally comfy & gender-neutral, too. Wearable & shareable for him, for her, for them. S = 11-13 shoe size. M = 13 -3Y shoe sizes. L = 3Y -5Y shoe sizes. machine wash according to the care instruction label spandex 2% cotton 25% polyester 73% . Best Holiday gift for , perfect Socks for Christmas!