Unfortunately I cannot return these because they are past the return window. They are new never work besides to try on one time in my room. They are too small for me. They are the Mayari Birkibuc in mocha color. Original description: Supremely comfortable with sophisticated, crisscross straps, the Mayari redefines the thong sandal with a single toe loop. The style comes in smooth Birkibuc® for a brushed, nubuck-like finish. Complete with classic BIRKENSTOCK design elements, like adjustable buckle closures and a contoured footbed for the ultimate in support. Contoured cork-latex footbed creates custom support with wear Birkibuc synthetic leather upper Suede footbed lining helps keep you comfortable Lightweight EVA sole Two straps with adjustable metal pin buckles Made in Germany