Silicone ""Glide Lines"" are applied to all Roll-Off Lenses to keep the film moving freely

This motorcycle jacket delivers protection

and 3 Lenses are constructed from the strongest and optically perfect

Diamond mesh back

making the helmet your best ally on the trails

s m 7 ris hlmt ec 7 RGroup_3229623 Silicone ""Glide Lines"" are appliedThe S M7 Helmet is engineered for off road racing, and is optimized to offer the perfect blend of superior ventilation and comfort in a lightweight helmet, while its supremely aerodynamic composite shell delivers exceptional impact protection. In addition to Alpinestars' patented A Head Fitment and Visor Detaching Systems, the S M7 is equipped with innovative PLASMA technology at the lower side of the shell edge for optimum energy dissipation in case