Boots ALPINESTARS Supertech R Vented black. Nearly every component of the ventilated Supertech R boot, Alpinestars' definitive race boot, worn by a roster of past and present champions, has been subjected to further enhance its performance characteristics.

MAIN CHARACTERISTICS

• Main upper material constructed from microfiber with a dedicated laser perforation zone
• Perforation allows for optimal breathability and abrasion resistance while offering high levels of flexibility.
• New front flex area for improved impact abrasion while ensuring a natural front and back
• New front flex area increases ventilation and airflow for additional breathability
• Redesigned rear gusset in stretch microfiber for improved natural front and rear movement 
• Redesigned upper gaiter in microfiber material with TPU over injection for improved compressibility
• New synthetic microfiber panel on medial side for increased abrasion resistance and improved feel
• New TPU shift lever for increased protection on the lower medial side
• New TPU shin plate has been redesigned for increased shock absorption performance
• New replaceable shin slider for increased abrasion resistance
• New TPU stretch panel design with zipper for easier entry and exit and a tighter fit
• Hook and loop closure ensures puller zipper stays in position
• Micro adjustable ratchet closure at top of boot for optimized fit
• Replaceable co-injected aluminum / TPU toe slider with easy screw system protects toe area from abrasion resistance
• New replaceable heel plate slider design offers increased sliding performance and protection in the event of a collision
• Outsole constructed with a lightweight rubber compound for excellent grip on pegs
• Separate biomechanical inner bootie made of 3D mesh material for added structure
• Inner bootie is equipped with a new external toe area with soft TPU reinforcement for superior impact protection and additional ankle padding.
• The liner allows for increased protection and stability during natural foot movement.