Birkenstock have upgraded the Naples mule with a smooth oiled leather upper to create a sleek shoe with undeniable masculine energy. The signature molded footbed comprises rubber and EVA for stability and support, while the contrast stitching adds a striking detail. We guarantee you’ll love them as much as we do. Oiled Nubuck Uppers, Rubber-EVA Outsole, Branded Insole, Molded Cork Footbed, Contrast Stitching, Made in Germany. Birkenstock Men's Naples Mule in Habana Oiled Leather, Size UK 5.5 | END. Clothing