The Shoei X-ELEVEN has been the motorcycle helmet of choice for professional riders since it’s introduction. The Shoei X-Eleven helmet is build to stringent to race specifications, the Shoei X-Eleven was designed and developed in collaboration with many of the world’s top professional riders, like Jake Zemke, Eric Bostrom, and Chris Vermeule. The Shoei X-Eleven line of helmets has been through numerous hours in our wind tunnel and on racetracks around the world. Rest assured that the Shoei X-Eleven is an aerodynamically superior helmet with minimal lift and drag, plus incomparable fit and ventilation. When you buy a Shoei Helmet you are buying the very best motorcycle helmet on the market. The world’s most demanding riders choose to ride wearing Shoei X-ELEVEN. The Shoei X-Eleven has world class aerodynamic properties that have been maximized through extensive wind tunnel testing. The Aero Edge Spoiler on the Shoei X-Eleven dramatically reduces drag and lift coefficients providing the rider that wears the Shoei X-Eleven superior performances. In addition, the Shoei X-Eleven motorcycle helmet offers unmatched ventilation with internal channels and exhaust ports throughout the motorcycle helmet. The Shoei X-Eleven Motorcycle Helmet Features a Dual Air Charge System that maximizes air through put and rider comfort. The Shoei X-Eleven motorcycle helmet also offers outlet holes in the Shoei Aero Edge Spoiler that allows warm air to be exhausted. The Shoei X-Eleven motorcycle helmet is made with high performance fiber materials are combined with extremely elastic organic fibers that make the shell of the Shoei X-Eleven motorcycle helmet lightweight, rigid and resilient. The Shoei X-Eleven is the choice of many motorcycle professionals so you can rest assured that you are getting a high quality product at a very good price. The Shoe X-Eleven is also backed by a 5 year factory warranty so you know if will stand up to whatever you throw at it… The Shoei X-Eleven is truly one of the most technologically advanced motorcycle helmets on the planet. The Shoei X-ELEVEN has been the motorcycle helmet of choice for professional riders since it’s introduction. Built to race specifications, the Shoei X-Eleven motorcycle helmet was designed and developed in collaboration with professional riders, like Jake Zemke, Eric Bostrom, and Chris Vermeulen to name a few. In addition, the Shoei X-Eleven has been through numerous hours in our wind tunnel and it has also been put through its paces on race tracks around the world so rest assured you are getting a quality product that is trusted by many elite motorcycle racers.