-Nubuck leather upper-Clip-closure locks in fit in one adjustment-External lateral and medial stability posts-Removable neoprene padded rear strap-Mesh and lyrca® lining fior breathable comfort and fit treated with Aegis® antimicrobial solutionMIDSOLE/OUTSOLE-Molded nylon arch shank-Q-form® comfort midsole provides women's specific stride-sequenced cushioning-Merrell air cushion in the heel absorbs shock and adds stability-Water friendly non marking sipped sole-3.0 mm sole lug depth-Vibram® Siren Sandal Sole/TC5 Rubber