ALPINESTARS Supertech V Boots - Black - US 9 / EU 43 2220121-10-43 RX-4 Multi function Speedometer/Tachometer High-tech gray zirconium-based ceramic applied

High-tech gray zirconium-based ceramic applied extra thick to protect brake fluid from heat

3D mesh textile with open cell foam for improved air circulation and comfort

Visor release mechanism is conceived to avoid the inherent weaknesses in other types of anchoring systems

41") at gauge face

ALPINESTARS Supertech V Boots - Black - US 9 / EU 43 2220121-10-43 RX-4 Multi function Speedometer/Tachometer High-tech gray zirconium-based ceramic appliedAlmost every component of the Supertech R Boot, Alpinestars definitive racing boot as worn by a roster of champions past and present, has undergone a rigorous program of upgrades to sharpen its performance features even further. Featuring innovations derived using feedback from Alpinestars involvement in top flight racing, key elements include a newly redesigned front flex area, a redesigned rear protection and the performance of this boot to a new