These cool socks are based on book 3 of the Harry Potter series, Harry Potter and the Prisoner of Azkaban. With one sock showing a dark Dementor and the other a happy scene with Harry and Hermione riding Buckbeak the hippogriff, these Harry Potter socks are a great reminder of the Potter book that many people count as their favorite in the series. Size Small fits women's shoe sizes 5.5 to 10, while size Large fits men's shoe sizes 8 to 12. 75% polyester, 17% nylon, 5% spandex, 3% cotton. Made in China.