The Arai Tour-X 4 has a complete new outer shell. Redesigned to be tougher, stronger and stiffer than ever. As the Arai Tour-X 4 may be used under extreme conditions, the ventilation system has been redeveloped for maximum efficiency. The new Facial Contour System (FCS) offers more support and comfort to the lower jaw and creates a tighter fit. For an even better personal fit, there is a removable 5 mm surface foam layer on the cheek pads and temple pad from the headliner. Wear the Arai Tour-X 4 with or without peak, with or without visor and combinations of these two. The large visor opening offers plenty of room for motocross-style goggles when riding without visor. Versatile Your Choice: wear the Arai Tour-X 4 with or without peak, with or without visor and any desired combination of these two. Large visor opening offers plenty of room for motocross style goggles when riding without visor. DFS Type-M diffusers Both DFS Type-M diffusers are easily removable for cleaning and maintenance. Feedback from the RX-7 Corsair and the VX 3 is uses to develop this highly efficient ventilation system.