Sock it to Me writes,"What lies beyond our solar system? There are so many unexplored areas of our universe. There could be asteroid belts where the asteroids are made of cheese and not rocks. Wouldn't that be a delicious surprise? That's just one sock company's theory, let's call it String Cheese Theory. Who's ready to travel to every corner of the cosmos to find some space cheese?" 56% Cotton, 41% Polyester, 3% Spandex. Our threads are certified by OEKO-TEX® Standard 100, which means we leave out harmful chemicals to keep your skin safe and happy. Approximately fits men's shoe size 7-13 and women's shoe size 8.5-14.5.