Alpinestars most iconic riding boot, worn by a roster of champions past and present, the Supertech R has undergone a series of evolutions to significantly ramp up its performance features even further. Innovations for 2015 include a newly redesigned compound rubber sole, an update to the ergonomically profiled shin plate and a redesigned front flex area – all of which enhancing the podium winning performance of this CE certified boot. This is the El Diablo Limited Edition specifically designed for Fabio Quartararo.