Harley Quinn Slip On Shoe SlippersExpress your wild side in comfort wearing these colorful Harley Quinn slippers! The Harley Quinn Slip On Shoe Slippers are red and black. These slip-on shoe slippers feature the "diamond" pattern worn by the psychotic villainess Harley Quinn from DC Comics' Batman universe, with red diamonds on black backgrounds and vice versa. The red and black sections are reversed between the two shoes. Say "Good Night!"