Comfort meets major versatility in this KEEN classic. It has the airiness of a sandal and the toe-protection of a shoe. The razor-siped sole provides excellent traction, and the washable webbing upper is ready for adventures in and out of the water. Features: Compression molded EVA midsole Hydrophobic mesh lining Metatomical EVA footbed Multi direction lug pattern for increased traction Non-marking rubber outsole with razor siping PFC Free materials Razor siping for improved ground traction Secure fit lace capture system Approximate weight per shoe: 14.2 oz/402.6 g   We say: This style is running a 1/2 small. We suggest ordering a 1/2 size larger than your usual size!