Birkenstock Unisex Arizona Iron Oiled Leather Sandals - 45 M EU Leather / Nubuck / Suede cork sole Two adjustable straps with buckle closures Leather, suede, nubuck or microfiber upper The original Birkenstock footbed Featuring pronounced arch support, deep heel cup, and roomy toe box EVA sole that is lightweight, flexible, durable, and shock absorbent