The classic, two-strap design takes inspiration from metallic stones, upping the shimmer with a silvery finish that ripples across its smooth surface. Complete with classic BIRKENSTOCK design elements, like a contoured cork-latex footbed for the ultimate in support. Contoured cork-latex footbed creates custom support with wear Birko-Flor® synthetic leather upper with shimmery finish Suede footbed lining helps keep you comfortable EVA sole is flexible and lightweight Two adjustable straps with metal pin buckles “Made in Germany” quality stamp on footbed Upper material: Birko-Flor® Birko-Flor® is a skin-friendly, tear-resistant and easy-to-care-for synthetic material which is exclusively used by BIRKENSTOCK. 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