The most Comfortable gray sandals. The SQUISH model is lightweight and squishy. Perfect for casual wear and beach. Slip-on design. Padded insole. 1.75”approx platform at highest point. For 1/2 size go up 1 size. EVA is the synthetic rubber material used to construct this sandal that has flexibility, durability, and water resistance. EVA upper EVA footbed EVA sole Featuring a second layer of EVA for unrivaled levels of comfort.