Your inner nerd will love you for these math socks. Featuring Einstein's Theory of Relativity, the Quadratic Equation, and many more equations, they are perfect for a math teacher, math lover, or the rest of us that need a fun incentive to improve upon our skills.?With this?crazy?pair you can have all the pleasure of feeling and looking smart without the intense cram session before your big quizzes. What is a derivative again? Fits approximate men's shoe sizes 7¨C12.5. 70% cotton, 27% nylon, 3% spandex.