The Kay SL model offers all the advantages of the classic BIRKENSTOCK Tokio & Boston models in a single shoe. The upper strap at the instep can be folded back if necessary, thus guaranteeing additional support as a heel strap. The outsole is non-slip and rolls perfectly. It is also resistant to oil and grease. The midsole is made of EVA and is cushioning. With high flexibility and maximum safety, the Kay SL model is very popular with medical professionals. The non-slip sole of this model has been tested and is certified according to EN ISO 20347:2012.Anatomical footbed in cork and latexUpperside: Birko-FlorDetails: individually adjustable metal buckle Insole: suede leatherSole: shock-absorbing EVA midsole with non-slip, oil and grease-resistant rubber outsoleSlip-resistance certified to EN ISO 20347:2012 (SRA category)Upper material: Birkoflor®. Birko-Flor® is a skin-frien...