Shoei is known for producing premium motorcycle helmets, and the newly released in the United States Shoei X-Fifteen helmet represents the current state of the company's helmet art. When you have racers of the caliber of Marc Marquez wearing your helmet, you know that the helmet is one of the best in the world – as befits a six-time world champion. The big news for track riders is the 6.1% reduction in drag and 1.6% reduction in lift compared the the previous generation. During the development of the new shell, the helmet was tested at speeds in excess of 218 mph. So, we mere mortals should be OK during our track day exploits. Since these typically take place during the summer months, the seven intake and six exhaust vents will help to keep riders cool. Finally, the rider's field of vision has been improved.