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ALPINESTARS SMX Plus Boots (Black) – US 8 / EU 42 Built for street performance , the ALPINESTARS SMX Plus Boots deliver lightweight protection, precise fit, and confident control where it matters most. Advanced microfiber upper for flexible, high-performance protection Front flex microfiber enhances abrasion resistance and natural forward/back movement Accordion microfiber on the Achilles supports natural ankle motion Outside entry/exit accordion panel for a close fit and easy on/off Multi-Link Control system limits hyper-torsion, hyper-extension, and hyper-flexion while improving ankle support Dual-density TPU replaceable toe slider with screw-in assembly Replaceable heel & external side heel sliders help dissipate and absorb shock Asymmetrical accordion zones maximize comfort and safety Micro-adjustable ratchet top with stow tab Breathable synthetic lining laminated with open-cell foam for shock absorption Anatomical, replaceable EVA footbed for arch support and pedal feel Durable grippy sole with textured rubber for consistent control Inner instep speed lacing + lateral zipper for secure fit; Lace-Lock System Hook-and-loop zip pull locks for safe closure High modulus contoured shin plate for impact and abrasion resistance Details: Racing / Adult / Pair • Mid-Calf • Street riding • Color: Black • Material: Microfiber & TPU • Size: US 8 / EU 42
Advanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility
Front flex area is constructed with a soft microfiber for improving abrasion resistance and natural forwards and backwards movement
Flexible accordion microfiber on Achilles gives enhanced natural movement
Outside entry/exit has stretchable accordion panel for a close fit and ease of entry and removal
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 and ankle impact protection
Dual density Thermoplastic Polyurethane (TPU) replaceable toe slider with screw-in assembly providing protective coverage around the outer toe area
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 for maximum comfort and improved safety
Micro adjustable ratchet top closure stows tab end
Advanced synthetic forefoot lining, laminated with open cell foam for shock absorption and highly breathable lining in ankle and leg areas for comfort
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
Inner instep speed lacing closure and unique lateral zipper offer precise and secure fit
Alpinestars Lace-Lock System is constructed from an advanced polymer resin to provide a quick, precise and secure closure
Hook and loop tap locks the zip pull close, keeping in flat and safe
Contoured high modulus shin plate protector gives superior impact and abrasion resistance