Each of these brightly colored, detailed socks are an instant reminder of everything you love about Harry Potter books: magical, symbolic, and true to the imaginative wonder of childhood. Machine wash. US first-edition cover artwork in 75% polyester/17% nylon/5% spandex/3% cotton. Imported. S (Fits Ladies Shoe size 5 1/2-9), L (Fits Men's shoe size 8 1/2 -12).