Lace up Derby shoe made of buffed calfskin leather. The design features a bubble toe and a flexible rubber shoe with rubber studs. Tonal Marni Mending logo embossed on the heel. Modern Calf Leather Shoes With Vibram Sole, Rubber Shoe, Derby Shoe, Flat Heel Boots, Trunk Bag, Rubber Shoes, Women Essentials, Lacing Sneakers, Boot Accessories