Upper and interior are 100% calf leather. Sole is 100% rubber. Marni logo at the footbed. Marni’s ever-popular mule is back to turn heads this season and beyond. This particular iteration features 100% calf leather upper, complemented by a rich brown calf leather interior. The fuzzy slip-on is embellished with a Marni logo hit at the footbed to complete the outlandish design.