Features of the Keen Men's Newport Evo Sandal Waterproof leather Upper Secure-Fit lace-capture system Quick-dry lining for active use Metatomical molded EVA Footbed Compression molded EVA Midsole for cushioning Non-marking rubber Outsole leaves no trace Multi-directional lug pattern with razor siping Cleansport NXT for natural odor control PFC-free durable water repellent Environmentally-preferred premium leather from LWG certified tannery