Pricey but a great helmet. After RF-1000 (now a girl helmet is available under the name RF-1000 Flutter), next best helmet from Shoei is the X-Eleven. Here are some Information but it is nothing like holding and testing it. After all Helmet is something that you going to wear for a while.
Tech Info from Shoei;
The X-ELEVEN has been the helmet of choice for professional riders since itÂs introduction. Built to race specifications, the X-Eleven was designed and developed in collaboration with professional riders, like Jake Zemke, Eric Bostrom, and Chris Vermeulen to name a few.
Numerous hours in our wind tunnel and on racetracks around the world has produced an aerodynamically superior helmet with minimal lift and drag, plus incomparable fit and ventilation.
The worldÂs most demanding riders demand nothing but the best. The X-ELEVEN only from Shoei.
* Quick Release Base Plate System
* Dual Liner Ventilation System
* 3D Comfort Liner System
* Upper Air Intake
* Lower Air Intake
* Dual Air Charge System
* Face Shield Defogging Vent
* Chin Curtain
* Rear Air Exhaust
* Neck Outlet Vent
* Exhaust Breath Chamber
* Breath Guard
* Aero Edge Spoiler With Exhaust Vent
* Preset Shield Opening Lever With Locking Mechanism
* CX-1V Shield
* AIM+Shell Construction
* Snell M2005
* 5 Year Warranty From Purchase Date. 7 Year Warranty From Helmet Manufacture Date.
My fevorite; Drop down to see other models