The N21 represents the perfection of a timeless classic in the mini jet category. With its fashionable design and a trendy combination of materials, finishes, and colors, it's ideal for urban use and for "custom" motorcyclists. Beautiful, fun, lightweight, and easy. Express your personality and enjoy freedom of movement with the Nolan N21 jet helmet. VPS (Vision Protection System): This sophisticated technology ensures a clear and sharp view of the road, enhancing safety and visibility during your city travels. helmet Lock Ring: This feature provides peace of mind and convenience with a simple and secure solution for storing the helmet when not in use. Neck Roll: The N21 helmet comes with a neck roll that contributes to safety and maximum comfort. It ensures a snug and secure fit around the neck, reducing wind noise and enhancing the overall riding experience.