Features of the Keen Women's Venice II Sandal Waterproof, leather Upper Breathable mesh windows for air flow Secure-Fit lace-capture system Metatomical molded EVA Footbed Compression-molded EVA Midsole for cushioning Non-marking rubber Outsole leaves no trace Adjustable heel-strap for a custom Fit Cleansport NXT for natural odor control PFC-free durable water repellent Environmentally-prefered premium leather from LWG certified tannery