The BIRKENSTOCK Madrid model is a true classic that excites the fashion world with its essential design. The Big Buckle version features a large and elegant buckle. The semi-exquisite footbed is fully lined with plush leather, offering extraordinary comfort. The upper is made of premium natural leather with a shiny patent finish. Anatomically shaped cork and latex footbed, semi-exquisite Upper: natural leather with patent finish Footbed lining: plush leather Sole: EVA Details: strap with a large individually adjustable metal buckle; details in coordinated color Made in Germany.