Men's size plus 10 Hermes HERMES Birkenstock Mules are really in need of versatile slippers in spring and summer. They have a casual and high-end feel, and the comfort is also great. The large toe design adds a sense of playfulness, and the slip-on design is convenient and practical. Wear. Upper: Original high mercerized cowhide Lining: Water-dyed sheepskin Outsole: Original TPU water platform rubber film combination Code number: Women's size 35-40 (40-41-42 is non-returnable) Men's size: 38-45 (45 non-refundable),