Birkenstock Madrid Big Buckle Lenb Sandals

- Upper material: Leather nubuck nubuck leather is the result of léger polishing the top layer of the hide. It is soft to the touch and takes on a beautiful patina over time. - Insole: Natural leather Natural leather can be recognized by its untreated surface. BIRKENSTOCK deliberately does not treat the characteristic surface grains and autres. BIRKENSTOCK uses robust leather with a thickness of 2.8 to 3.2 millimeters as upper material. - Footbed material: Cork Cork is a durable material extracted from the bark of the cork oak tree. This natural product insulates and provides excellent cushioning. - Outsole: EVA EVA (ethylene vinyl acetate) is a high-quality, highly elastic and extremely shock-absorbing material léger. It smoothes out the slight irregularities of the sol and ensures that every step is gently cushioned.