From the top, they look like your classic beach flip-flops. Underneath, they're biomechanically engineered with our featherlight, pressure-diffusing iQushion™ midsole tech. Made of high-rebound air-foam that retains its cushioning, with heel and ball-of-foot impact pillows, and a contoured arch-curve for natural support when you walk. Anatomically shaped straps hold the sandals to you, to help...