OLUKAI. 10239-4E4E. NUI. ISLAND SALT. Rubber sole. High-character premium antiqued full-grain leather or tumbled waxed nubuck leather with a quick-drying jersey knit lining and a soft nylon toe post. Compression molded EVA midsole covered in full-grain leather provides anatomically correct contour for a personalized fit and sustained comfort over time. Non-marking rubber outsole with island inspired traction pods for enhanced grip and flexibility. Embroidered logos and perimeter stitching on the footbed hand-sewn whipstitching and triangular laser detail on the straps.