Keen durand low waterproof mens walking shoes the keen durand walking shoes feature a waterproof nubuck leather upper with closed mesh panels for added breathability a keendry membrane offers an additional level of waterproof protection and dual compound rubber outsole serves up reliable grip underfoot mens walking shoes keendry waterproof breathable waterproof nubuck leather breathable mesh upper metatomical dual density eva footbed tpu stability shank pu heel cushi