Keen durand mid waterproof ladies walking boots integrated keendry waterproof and breathable membrane makes the keen durand mid walking boots an ideal all season walker with keens pu and dual rubber compound sole unit delivers reliable durability and comfort ladies walking boots keendry waterproof breathable waterproof nubuck leather breathable mesh upper metatomical dual density eva footbed tpu stability shank pu heel cushion dual compound rubber outsole gargoyle