Waterproof nubuck leather upper Non-marking rubber outsole Dual density compression molded EVA midsole Hydrophobic mesh lining Removable metatomical dual density EVA footbed 4mm multi directional lugs Contoured heel lock KEEN.Dry waterproof breathable membrane Torsion stability ESS shank Metatomical Footbed Design This internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the foot.