Our Camion Mule in Black Leather. Produced in a Portuguese leather, the Camion Mule features a Vibram outsole, a leather Kilger midsole and a cross over strap with a brass buckle closure. This product is crafted from carefully sourced leather. As a natural material, leather carries subtle traces of the animal's life. These natural imperfections bring a unique character to each product, expressing an original and authentic look. The product shall be shaped by its wearer and naturally distress over time to complete the design process.