Children's Socks, 5 Designs, Lovable Pink with Unicorns.and Stripes. These are Moderately Thin, Warm and Soft Premium Combed Cotton Socks. They are Seamless and Easy to put on. These socks don't squeeze your child's legs. wear. The cuffs fit comfortably, easy to put on and For children ages 3-5 years old. 78% Cotton, 12% Nylon, 10% Spandex.