Very good used condition, worn maybe 10-12 times. Cleaning out my closet. Questions and Offers welcome! Meet the BIRKENSTOCK Oswego. The perfect casual slip-on shoe. With a flexible rubber sole and and unique cork PU midsole for extra shock absorption, stay comfortable all day long. Take these sporty shoes anywhere and everywhere. The upper is made of high-quality, soft natural leather. Removable, anatomically shaped cork-latex footbed Upper: natural leather Footbed lining: suede Sole: made of natural rubber Made in Portugal