Men。Keen Uneek Bungee Cord Sandals Men\'s Waterproof Slip On Shoes Size 12 Features Contoured Fit follows the contours of your foot for a comfortably snug fit Recycled plastic bungee cord and lace-lock toggle for an instantly secure fit Supportive midsole cushioning absorbs shock Razor-siped outsole channels water away for exceptional grip on wet surfaces Contains recycled P.E.T. plastic to reduce the use of virgin materials Eco Anti-Odor for natural, pesticide-free odor control Materials Recycled plastic cord upper forms to the foot Soft microfiber lining Non-marking rubber outsole