Alpinestars Supertech R Boots - Bright Red/Red Fluo

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. Features: Racing/Sport Boots TPU: TPU reinforcements Closure system: TPU stretch panel with side zip speeds entry/exit and creates a close, race-fit wrap around the lower leg. Zipper security: Hook-and-loop keeper locks the puller in place so fit stays put through hard braking and tucks. Cuff adjustability: Micro‑adjustable ratchet at the collar lets you fine‑tune support and calf volume for all‑day comfort. Heel slider protection: Replaceable rear slider promotes controlled sliding and shields the heel during off‑line moments. Outsole grip: Lightweight rubber compound delivers confident peg feel and reliable traction in wet or dry conditions. Bio‑mechanical inner bootie: Breathable 3D mesh bootie stabilizes the ankle and enhances comfort, feedback, and control. CE certified to EN13634:2017 for motorcycle protective footwear. Internal bio-mechanical inner bootie with a TPU-reinforced external toe area for impact protection. Integrated ankle padding within the inner bootie increases ankle stabilization and impact energy absorption. Replaceable TPU and aluminum toe slider delivers high-level abrasion resistance. TPU shin plate enhances impact absorption and abrasion resistance in a critical strike zone. Replaceable shin slider adds further abrasion protection. TPU shifter reinforcement on the lower medial side increases localized impact and abrasion protection. Replaceable heel plate slider increases abrasion protection during a crash. Outsole constructed from a lightweight rubber compound. Main upper constructed from technical microfiber for abrasion resistance and reduced weight. Separate bio-mechanical inner bootie made from 3D mesh for structural support and breathability. TPU shin plate with a replaceable TPU shin slider integrated into the frontal chassis. Co-injected TPU and aluminum external toe slider secured with screw fixings. TPU shifter panel on the lower medial side. Replaceable TPU heel plate slider mounted to the external heel counter. Inner bootie features a TPU-reinforced external toe area and integrated ankle padding. Weight: approximately 2.1–2.74 kg per pair (size dependent).