NWT Birkenstock Papillio Namica Nubuck Slide Wedge Sandals in color Dark Fushia Size 38 Narrow Product Information Mules are in! The understated Namica mule from Papillio is wonderful in its simplicity. The heel lengthens the leg while the stylish band pampers any foot. This version features precisely positioned rivets with no back which are made to sit firmly in the leather in an elaborate production process without going too deep, making them unnoticeable when the shoe is worn. It's quite an eye-catcher! The upper is made from high-quality nubuck leather that boasts a natural, rustic appearance.