Aqua Lung 5mm Echozip BootsOur patented, anatomically correct ERGO design makes the Echozip Boots some of the most comfortable diving footwear available. More than a comfortable fit, these boots are bolstered by strong, durable materials that you can rely on to work during your next underwater excursion. Features: Ergonomic: Like the rest of the Aqua Lung boot line, the Echozip uses our patented, anatomically correct ERGO shaped footbed and outsole to match the profile of your