The Madrid model of BIRKENSTOCK, one of the brand's great classics, features a sleek design that leaves no one indifferent in the fashion world. It comes here in a Big Buckle version, equipped with a large and elegant metal buckle that adds an extra touch to this otherwise simpler sandal. Its upper is made from nubuck, a high-quality leather with a rustic and natural appealing look.Anatomical footbed in cork and latexUpper: nubuckInsole: suede leatherOutsole: EVADetails: an adjustable strap with a metal pin buckle"Germany"Manufacturer's address: Birkenstock Global Sales GmbH, Burg Ockenfels, 53545 Linz, Germany, Contact form.Upper material: Nubuck leather. Nubuck leather is obtained by gently sanding the grain side. It offers a velvety touch and develops a nice patina over time.Insole: Insole. The hypoallergenic and flexible leather insole gently contours to the foot and adapts to its shape. The open-pore surface, therefore, particularly thermoactive, helps keep feet dry and comfortable.