The HJC I91 Motorcycle Helmet stands out as a prime choice for touring riders, offering the versatility to switch between a full-face and an open-face helmet with its dual homologation P/J certification. This helmet is not just about looks; it s engineered for performance. The integration of an advanced polycarbonate composite shell and a CFD programmed design enhances aerodynamic efficiency, ensuring a smoother, more stable ride. Here's why the HJC I91 is a game-changer for motorcyclists: Dual Homologation (P/J): By merging the safety features of a full-face helmet with the convenience of a flip-up, the dual homologation P/J certification ensures that whether you're navigating city streets or embarking on a long-distance tour, you enjoy both protection and flexibility seamlessly. Advanced Polycarbonate Composite Shell: Leveraging lightweight advanced CAD technology, the helmet s advanced polycarbonate composite shell not only offers a snug, comfortable fit across different head sizes