Size 39 (which translate to about 8-8.5 according to Birkenstock website These are a narrow fit Worn a handful of times but I’m usually a 38 in Birkenstocks. Lots of life left in these sandals! Offers welcome Does not ship in original box but will wrap with care, of course. ✨ Info from website: 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