SZ 40, very good condition! These Birkenstocks were created for those in the medical field (see details below), but anyone can wear them! Retail $130 The Kay Super Grip offers all the advantages of BIRKENSTOCK’s classic Tokio and Boston models in one. The upper instep strap can be folded back if required, thus providing additional support as a backstrap. The Super Grip sole is nonslip, promotes the ideal rolling motion, and is also oil- and grease-resistant. The EVA midsole in the leather version has additional soft padding that reliably and permanently cushions the foot with every step – even if your feet are sensitive. This high degree of flexibility and sure-footedness is in great demand in particular in medical environments. All Super Grip soles are tested for slip resistance in accordance with EN ISO 20347:2012. Anatomically shaped cork-latex footbed with additional soft padding Upper: smooth leather Details: individually adjustable metal pin buckle Footbed lining: suede Sole: cushioning EVA midsole with nonslip, oil- and grease-resistant rubber outsole Slip resistance tested in accordance with EN ISO 20347:2012 (SRA category)