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The Alpinestars SMX Plus boots are engineered for high-performance motorcycle riding, combining lightweight microfiber construction with advanced protective features. The microfiber upper delivers superb flexibility and abrasion resistance, enabling natural forward and backward movement for better control. The front flex zone, made from soft microfiber, enhances comfort and durability, while the accordion microfiber on the Achilles provides additional natural movement and support. An external stretchable accordion panel at the entry ensures a snug fit and easy on/off functionality, making these boots both practical and comfortable for aggressive riding scenarios.
The innovative Multi-Link Control system offers enhanced external ankle protection and support, limiting hyper-torsion, hyper-extension, and hyper-flexion movements. This system ensures secure ankle articulation, reducing injury risk during aggressive maneuvers or accidents. The boots feature a durable, replaceable toe slider with a screw-in design, providing reliable outer toe protection, and both heel and side sliders are strategically positioned to absorb shocks and facilitate sliding in the event of a fall. Large asymmetrical accordion zones at the front and rear maximize flexibility and comfort, promoting optimal rider mobility while maintaining safety standards.
Comfort is further optimized with a micro-adjustable ratchet top closure that secures the fit, and a laminated synthetic forefoot lining with open-cell foam offers shock absorption. The ankle and leg areas are lined with breathable materials to keep the rider comfortable during extended rides. An anatomical, replaceable EVA footbed supports the arch and provides a responsive pedal feel, enhancing bike control. The sole features an evenly textured rubber surface for consistent grip, and the inner instep speed lacing closure combined with a lateral zipper ensures a secure, precise fit. The innovative Lace-Lock System, made from advanced polymer resin, allows quick and secure fastening, while hook-and-loop tabs keep the zipper pull flat and safe. A contoured high-modulus shin plate offers superior impact and abrasion resistance, completing the comprehensive protection package. These boots are designed for riders seeking a balance of performance, safety, and comfort, making them suitable for aggressive sport riding and track days alike.
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