Sock It To Me, One Small Step, Youth Knee-High Socks, Astronaut Socks QUIRKY DESIGN - Encourage your little one to pull on these cosmic knee-high socks and reach for the stars! STYLISH AND COMFORTABLE - Toes will be cozy in these eye-catching, thick, comfy socks. DURABLE, SOFT, AWESOME - These socks are made in Korea from cotton, polyester, and spandex. SHOW YOUR FEET SOME LOVE - Our threads are certified by OEKO-TEX Standard 100, which means we leave out harmful chemicals to keep your skin safe and happy. TREAD WITH STYLE - Make your child's feet happy with these durable, super-soft, high-quality socks. Fits children ages 36 or shoe size 813, approximately.