OluKai Womens Kulapa Kai Leather . DETAILS UPPER Smooth full-grain leather with a slight pearlized finish and Lycra lining. FOOTBED Anatomical compression molded EVA midsole with a pearlized full-grain leather footbed for incredible comfort and support. OUTSOLE Non-marking rubber outsole designed with our ocean currents in mind and molded siping for traction. FEATURES Soft nylon toe post, laser-etched detail and embroidered logo.