Alpinestars Supertech R Boots US 10.5 / EU 45 Black 2220021-10-43 co: 2510198

Item description from the seller

Supertech R Boots Almost 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 bellow, a redesigned top gaitor, a new shifter and shin plate, a new shin slider and a new inner bootie, all of which enhance the comfort, protection and the performance of this boot to a new class-leading high.

• Main upper material constructed using microfiber for optimum abrasion resistance, while also delivering high levels of flexibility.
• New front flex area for improved impact abrasion while also ensuring the natural front and back.
• New front flex area increases ventilation and airflow for additional breathability.
• Redesigned rear bellow in stretch microfiber for improved natural front and back movement.
• Redesigned top gaiter in microfiber material with TPU over injection for enhanced prehensility.
• New synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling when in contact with the bike.