Be one with the solar system in these universally-loved Milky Way “stretch-it” knee-highs, featuring our beloved planets and mighty sun. These socks are super stretchy! They will stretch to fit a 21-inch calf, and the foot will expand from a women's size 6 to approximately a women's 12, or a men's 11. 55% cotton, 43% polyester, 2% spandex. Made in Korea.