The oldest member of the family, BIRKENSTOCK Madrid is a true classic. Launched some 50 years ago as "gym sandals", these sleek one-strap sandals have gradually established themselves as a true fashion companion. The different colored outsole contrasts nicely with the upper and completes the look perfectly. The upper is made of Birko-Flor®, a hypoallergenic and durable synthetic material with a patent coating.Anatomical cork and latex footbedUpper: Birko-Flor® patentUpper sole: suede leatherUpper sole: EVADetails: a strap with an individually adjustable metal buckle "Made in Germany "Upper: Birko-Flor® patentThe Birko-Flor® patent consists of a hygienic and easy-care PVC plastic; its inner side is bonded to a soft, thermoactive non-woven layer. The surface has been coated with a varnish. This high quality material is skin-friendly and provides a very comfortable fit.Insole: InsoleThe hypoallergenic and flexible leather insole gently hugs the foot and adapts to its contours. The open-po...