Helmet Arai Tour-X 4 Detour. The new Tour-X 4 is one of the most versatile helmets ever made: adventure, Gran Turismo or Off-Road, Tour-X 4 is ready for everything. Your new outer shell has been redesigned to be sturdier. As the Tour-X 4 is likely to be used under extreme conditions, the ventilation system has been developed to achieve maximum efficiency. The new Facial Contour System (FCS) provides increased support and comfort in the jaw area and a more precise fit. For an even more personalized fit, it incorporates a removable 5mm foam surface in the side cushions and in the upper central area. The Tour-X 4 can be used with or without a nasal protector, with or without a visor, or with a combination of both. The large front opening offers ample space for the use of Cross / Enduro glasses when the screen is not mounted. Its interior is completely removable and washable and incorporates the Emergency Release System, system that allows to extract the lateral quilts, so that in case of fall, to be able to extract the helmet without causing greater damages. The locking system is double ring.