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. Its midsole made from EVA cushions every step. 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.