Designed for comfort, our Unisex Black Leather Mules will keep you comfortable and safe all day. Crafted with a leather upper and insole, they are lightweight, anti static and has a slip resistant sole. The closed design of the shoe offers considerable freedom of movement in the toe section as well as protecting the forefoot from impacts and the injuries that may be caused. Leather upper and insole. Lightweight, anti-static, slip-resistant sole, shock-absorbing heel. Full sizes UK 3-12.