Show your allegiance to the Hogwarts School of Witchcraft and Wizardry with these men's black graphic sleep pants! The Hogwarts Alumni sleep pants feature a big, colorful graphic that has been professionally printed to ensure long-lasting print quality. The Harry Potter fan apparel loungewear is classic black, and includes a drawstring waistband for maximum comfort and functionality. The sleep pants are made of 60% cotton and 40% Polyester. They can be machine washed in cold water with like colors, then tumble dried for easy care. The Hogwarts Alumni sleep pants are an officially licensed product, and make a perfect gift for fans of the Wizarding World of Harry Potter.