Alpinestars Supertech R Vented Racing Boots Black EU 40 Man male

The new front flex area increases ventilation and airflow for added breathability. New front flex area for improved impact abrasion while ensuring natural front and back. New replaceable shin slider for added abrasion resistance. Newly designed upper gaiter made of microfibre material with TPU overinjection for improved resistance. Special laser perforation zone for optimal breathability. The microfibre upper ensures optimal abrasion resistance while offering high flexibility. Redesigned rear bellows made of stretch microfiber for improved natural movement front and back. New synthetic microfibre plate on the medial side for increased abrasion resistance and an improved contact feeling with the bike. New TPU slider for increased protection on the lower medial side. The new TPU shin plate has been redesigned for higher impact absorption performance, improving abrasion resistance in a key area.