Birkenstock Women's Bend Nubuck ShoeSize Chart The casual BIRKENSTOCK Bend sneaker boasts a simple design which can be combined with almost anything. An additional midsole made from PU and cork ensures excellent shock absorption. The breathable microfiber material guarantees optimum moisture absorption. This version stands out with its special material mix. The high quality, lightly structured natural leather is complemented by whats known as flesh out leather. The inside of the nubuck