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

• Advanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility
• Front flex area is constructed with a soft microfiber for improve abrasion resistance and natural forwards and backwards movement
• Thermoplastic Polyurethane (TPU) for breathability and airflow
• Flexible accordion microfiber on Achilles gives enhanced natural movement
• Strategically positioned ventilation area in heel and shin
• Outside entry/exit has stretchable accordion panel for a close fit and ease of entry and removal
• Contoured high modulus shin plate protector gives superior impact and abrasion resistance
• An evolution of Alpinestars unique Multi-Link Control system provides advanced external protection and support for ankle articulation, limiting hyper-torsion, hyper-extension and hyper-flexion as well as providing Achilles impact protection.
• Dual density TPU replaceable toe slider with screw-in assembly provides protective coverage around the outer toe area
• Wide heel counter with lateral ventilation extends to the ankle and is combined with a shock absorbing padded insert and self-molding ankle reinforcement
• Replaceable heel slider and external side heel slider are positioned to dissipate and absorb shock and promote sliding during an accident
• Large front and rear asymmetrical accordion zones are optimized to maximize flexibility
• Advanced synthetic forefoot lining, laminated with open cell foam for shock absorption and highly breathable lining in ankle and leg areas for comfort
• Micro adjustable ratchet top closure stows tab end
• Alpinestars anatomical and replaceable countered EVA footbed provides arch support and forefoot pedal feeling
• Durable sole, designed for improved riding feel, features evenly textured rubber for consistent grip
• Alpinestars Lace-Lock System is constructed from an advanced polymer resin to guarantee a quick, precise and secure closure
• Inner instep speed lacing closure and unique lateral zipper offer precise and secure fit
• Hook and loop tap locks the zip pull close, keeping in flat and safe