Aqua Lung 5MM Echozip BootsAqualung Echozip 5mm boots are designed for warmth, comfort, and protection. The Echozip boots are geared for recreational divers who want to be prepared for many conditions, from varying water temperatures to uneven and hazardous terrain. 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 foot, preventing excess water retention and