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The Alpinestars SMX Plus Boots are engineered for high-performance riding, combining lightweight microfiber construction with innovative protection features. The advanced microfiber upper provides a balance of durability and flexibility, ensuring a snug fit while allowing natural movement. The front flex zone, constructed with soft microfiber, enhances abrasion resistance and facilitates smooth forward and backward motion during rides. An accordion microfiber panel on the Achilles area offers improved natural movement and comfort, while a stretchable accordion panel on the outside ensures easy entry and a close fit for the rider. The boots incorporate Alpinestars' evolution of the Multi-Link Control system, delivering external support for ankle articulation and limiting hyper-torsion, hyper-extension, and hyper-flexion, which results in superior ankle protection and stability. Protective elements include a dual-density TPU replaceable toe slider with a screw-in assembly, providing durable coverage around the outer toe, and replaceable heel and side sliders designed to absorb shock and promote controlled sliding in the event of a fall. Large, asymmetrical accordion zones at the front and rear maximize flexibility without compromising safety, contributing to overall comfort during extended riding sessions. The secure fit is maintained through a micro-adjustable ratchet closure with a stow tab, complemented by an inner instep speed lacing system and a lateral zipper, which allow for precise and quick adjustments. The innovative Lace-Lock System, made from advanced polymer resin, offers a quick, secure fit, while hook-and-loop tabs lock the zipper pull flat for safety. The boots feature an anatomical, replaceable EVA footbed that provides arch support and enhances pedal feel, along with a durable rubber sole designed for consistent grip and riding control. Inside, the advanced synthetic lining with open-cell foam absorbs shocks and promotes breathability, ensuring rider comfort in various conditions. The high-modulus shin plate protector delivers outstanding impact and abrasion resistance, completing the comprehensive protection package of these high-performance motorcycle boots.
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