EXPERIENCE THE EVOLUTION OF PERFECTION WITH THE D7 EVO - SETTING NEW STANDARDS IN COMFORT, SAFETY, AND CONVENIENCE The D7 Evo features our newly patented soft wrist ring system, FLEXLOCK, a clever, slim, soft, and safe interchangeable silicone seal system. The FLEXLOCK seamlessly integrates into the suits arm. Its constructed from transparent TPU (Thermoplastic Polyurethane), its lightweight, and it boasts a visual confirmation window to ensure that the seal is correctly mounted, keeping you dry. Furthermore, the new D7 Evo is equipped with a flexible and soft YKK Aquaseal Plastic dry zipper, making the process of putting on and taking off the suit even easier. Weve continued to use the well-proven Nylotech material with additional Kevlar reinforcement in the seat and elbows. Theres an extra zippered pocket in the pocket lid for dive tables, checklists.... The suit is equipped with the SI TECH Quick Neck System, SI TECH valves, and it comes with the new TPU roll-top dry bag.