TCK Sports Krazisox Neon Dots Socks High Quality: 77% Polypropylene, 17% Nylon, 3% Elastic, 3% Lycra Spandex Made in USA Small - fits Kids shoe size 12-5 Medium - fits Womens 7-10 or Mens 6-9 Heel/Toe Design For Comfort Lightweight with a Double Welt Top Moisture Control, Blister Control