The KEEN Men's Uneek Evo Sandal is where cords and knit fabric come together in a comfortable summer sandal. All day, all comfort, in town or at the beach. The EVA Footbed is where the cushion is at with built in arch support and metatarsal ridge. The rubber Outsole is non-marking and offers the grip needed whether on the sidewalk, Boardwalk or in the sand. But it's all really about the soft knit Upper and cords, not too tight, not too loose. Features of the KEEN Men's Uneek Evo Sandal Removable EVA Footbed with contoured arch for added midfoot support PU Midsole offers resilient cushioning Higher-traction rubber Outsole Non-marking rubber Outsole leaves no trace Eco anti-odor for freshness Recycled Pet plastic cord and knit Upper forms to the foot Microfiber lining Minimal waste construction Razor-siped Outsole channels water away for exceptional grip