The new M11 Pro Helmet Combo is the latest evolution of the M11. It offers all the protection and technology of the M11, most notably Cascade Sports patented Seven Technology, but in a new, streamlined model with improved ventilation and an even more comfortable fit. The result is advanced protection and pro-level performance. Cascade's Seven Technology is a revolutionary impact attenuation liner system designed to more effectively manage energy transfer from direct impact. On impact, Seven Technology compress laterally to displace energy and then completely reset within seconds. In addition to its advanced protection, the new M11 Pro Helmet Combo is built for maximum performance and extreme comfort. You will look and feel great in the M11 Pro. The streamlined shell features a lower profile, sleek side lines, aggressive styling, and improved liner ventilation. Also, this helmet features an enhanced Pro Fit system, now called the Pro Fit 2. The Pro Fit 2 features an ultra-compact, tapered design for an enhanced 360 degree fit that eliminate pressure points for increased comfort.