Nearly every component of the Supertech R Boot, Alpinestars' definitive racing boot worn by a roster of champions past and present, has undergone a rigorous program of updates to further refine its performance characteristics.

With innovations derived from feedback from Alpinestars' involvement in top-level racing, key elements include a newly redesigned front flex area, a redesigned rear bellows, a redesigned upper gaiter, a new shifter and shin plate, a new shin slider, and a new internal bootie, all of which enhance the comfort, protection, and performance of this boot to a new class-leading level.
New TPU stretch panel design with zipper for easier entry and exit and a closer, optimized fit.
The hook-and-loop closure secures the puller zipper, which stays in place.
Adjustable micro ratchet closure over the boot for an optimized fit.
The new replaceable heel slider design provides improved glide performance and protection in the event of a crash.
The sole is constructed using a lightweight rubber compound for excellent grip on the pegs.
The updated inner bootie is made of 3D mesh material for added structure, thus improving rider comfort.
According to European law, the CE marking is a conformity requirement for the marketing of this product. The following standards apply: CE EN13634:2017.
The inner bootie features a new external toe box with a soft TPU reinforcement for superior impact protection and additional ankle padding for greater protection, stability, and cushioning during the natural movement of the foot.
The replaceable co-injected TPU/aluminum toe slider with an easy screw system protects the toe box area from abrasion.
New TPU shifter for increased protection on the lower medial side.
The new TPU shin plate has been redesigned to improve shock absorption performance, thus enhancing abrasion resistance in a key area.
New replaceable shin slider for increased abrasion resistance.
Main upper material constructed using microfiber for optimal abrasion resistance while offering high levels of flexibility.
New front flex area for improved impact abrasion while ensuring natural front and rear movement.
The new front flex area increases ventilation and airflow for greater breathability.
Redesigned rear gusset in stretch microfiber for improved natural front and rear movement.
Redesigned upper gaiter made of microfiber material with TPU over-injection.
New synthetic microfiber panel on the medial side for increased abrasion resistance and improved feel in contact with the bike.