Alpinestars Supertech R Boot

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 gaiter, 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.

Features:

• Main upper material constructed using microfiber for optimum abrasion resistance and flexibility 
• New front flex area for improved impact abrasion
• New front flex area increases ventilation and airflow
• Redesigned rear bellow in stretch microfiber for improved natural front and back movement 
• Redesigned top gaiter in microfiber material with TPU over injection
• New synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling
• New TPU shifter for increased protection on lower medial side
• New TPU shin plate has been redesigned for greater impact absorption performance
• New replaceable shin slider for additional abrasion resistance 
• New TPU stretch panel design with zip for an easier entry and exit and a closer fit
• Hook and loop closure secures the puller zip remains in position
• Micro adjustable ratchet closure on top of boot for an optimized fit 
• Replaceable co-injected TPU/aluminum toe slider with an easy screw system
• Replaceable heel plate slider offers increased sliding performance and protection in the case of crash 
• Sole constructed using a lightweight rubber compound for excellent grip on the pegs
• Separate bio-mechanical inner bootie made by 3D mesh material for greater structure
• Inner bootie is equipped with a new external toe area with a soft TPU reinforcement
• Bootie provides impact protection and additional ankle padding for greater protection, stability and cushioning