Pull On closure Size: Fit women&men shoe size 5-8(8.66-9.65) 8.5-10.5(9.84-10.51) 11-13(10.67-11.14) Package: 9 pairs/ 6 pairs/3 pairs (18 socks/12 socks/6 socks) assorted in KKSSQUEEN pack. Material: 34.3% polyester+4.1% spandex+61.6% cotton provide more breathable and soft to keep your feet cool and dry. Cushioned sole, included for soft, thick and warm, help to absorbs and reduces friction, special protection for toes and heels, a padded cushioned foot provide extra protection when running. Heel tab supplies extra protection, no blisters. Elastic arch band to support and protect you when you walk and run, prevent the socks from slipping down. Good matching for all of your outdoor activities.