An icon of timeless design and legendary comfort, the Arizona sandal has been defining style since 1973. The two-strap look is updated in our signature BirkibucA(R), developed for durability and lightly brushed for style. Designed on an original contoured footbed for the ultimate in support. Contoured cork-latex footbed creates custom support with wear BirkibucA(R) synthetic upper Suede footbed lining helps keep you comfortable Flexible EVA sole Two adjustable straps with metal pin buckles Made in Germany Upper material: Birko-FlorA(R) Nubuck The look and feel of Birko-FlorA(R) Nubuck is an almost perfect imitation of authentic nubuck leather. Insole: Natural leather Natural leather can be recognized by its untreated surface. BIRKENSTOCK purposely does not treat surface grains and other characteristic features. BIRKENSTOCK uses sturdy leather with a thickness of 2.8 to 3.2 millimeters as upper material Footbed material: Cork Cork is a sustainable material extracted from the bark layer of the cork oak. This natural product is insulating and offers very good cushioning. Outsole: EVA EVA (ethylene vinyl acetate) is a high-quality, very light, elastic material with extremely good cushioning. As a result, it smooths out slight irregularities in the floor and ensures that every step is softly cushioned.