Birkenstock Bend Low Leather Sneakers - White (Medium/Narrow 。The BIRKENSTOCK Bend sneaker boasts a simple design which can be worn with almost anything. This casual sneaker has an additional mid sole made of PU and cork to ensure optimum shock absorption. It also features a breathable microfiber lining for a comfortable foot climate. The upper is made of high-quality, soft natural leather. Removable, anatomically shaped cork-latex footbed Upper: leather Footbed: natural cork Footbed lining: natural leather Sole: rubber Made in Portugal, Footbed Made in Germany The natural leather that we use is mostly smooth leather, in some cases tumbled leather. This type of leather has many special characteristics, such as breathability, adaptation to the shape of the foot and durability.