Dragon Alliances most advanced goggle with a cylindrical lens, the NFX2 has all the bells and whistles: Swiftlock lens changing system, patented frameless design, armored venting, premium injection molded lenses, 200-percent stronger Super Anti-Fog coating, bonus replacement lens and more. Additionally the NFX2 utilizes our Lumalens color optimized lenses bringing next level clarity, adaptability, and style to the Dragon lineup.