Super cool non-slip Birkenstock mules. Good used condition. Some small scuffs but great shoes and very cool style. Size 39 narrow. Anatomically shaped cork-latex footbed Upper: smooth leather Footbed lining: suede Sole: cushioning EVA midsole with nonslip, oil- and grease-resistant rubber outsole Details: individually adjustable metal pin buckles Slip resistance tested in accordance with EN ISO 20347:2012 (SRA category)