Why So Serious Joker Plain Sweatshirt is specially for the Joker’s fan. Jocker is one of the mad character of DC Universe. This sweatshirt makes you feel the different cause of the mad printed Jocker in it. It is made from cotton and polyester. This sweatshirt is soft and has lightweight. Equipped with rib cuffs and a crew neck, it has a raglan sleeve for a great vintage-inspired slim fit.