Only worn twice since buying last year, just don’t wear them enough to keep! Size 37 fits a 6-6.5 according to Birkenstock’s website. Regular width. -Contoured cork-latex footbed creates custom support with wear -Oiled leather upper gives each pair a unique finish -Smooth leather footbed lining -Flexible EVA sole -Adjustable strap with oversized metal pin buckle -Made in Germany