Purchase your very own piece of "Harry Potter" Movie Memorabilia and bring the magic and sorcery of Hogwarts home with you from the silver screen with our Officially Licensed Warner Bros. Gryffindor Quidditch Sweater. Lochaven made the Hogwarts school costumes for the cast and extras throughout the epic Harry Potter film series. We have given you identical sweaters, cardigans and tank tops worn by the actors in the Harry Potter film series.