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The Alpinestars SMX Plus Boots are engineered to deliver high-performance protection combined with superior comfort for motorcycle riders. Constructed with an advanced microfiber upper, these boots provide lightweight durability and flexibility, essential for demanding riding conditions. The front flex area is crafted from soft microfiber to enhance abrasion resistance while facilitating natural forward and backward movement, reducing fatigue during extended rides. Additionally, the flexible accordion microfiber on the Achilles tendon allows for improved natural movement, ensuring the rider's comfort and agility. The outside entry and exit feature a stretchable accordion panel that offers a snug fit and easy on-and-off access, making them convenient for daily use.
Alpinestars' innovative Multi-Link Control system is a key feature, offering external protection and support for ankle articulation. This system limits hyper-torsion, hyper-extension, and hyper-flexion, protecting the ankle from injury while maintaining optimal mobility. The boots include a dual-density Thermoplastic Polyurethane (TPU) replaceable toe slider with a screw-in assembly, providing durable protection around the outer toe area. The replaceable heel slider and external side heel slider are positioned to absorb shock and facilitate sliding in the event of a fall, enhancing safety.
The design incorporates large, asymmetrical accordion zones at the front and rear, maximizing flexibility and comfort without compromising safety. An adjustable micro ratchet closure at the top ensures a secure fit, with a stowable tab end for convenience. The advanced synthetic forefoot lining is laminated with open-cell foam, offering shock absorption and breathability, while the ankle and leg areas feature highly breathable lining materials for all-day comfort. The anatomically shaped, replaceable EVA footbed provides excellent arch support and a firm pedal feel, crucial for precise control.
The sole is crafted from textured rubber, designed to offer consistent grip and improved riding feel. The inner instep features a speed lacing closure combined with a lateral zipper for a precise, secure fit. The innovative Lace-Lock System, made from advanced polymer resin, allows quick and secure lacing adjustments, while a hook-and-loop tab keeps the zipper pull secure and flat. The contoured high-modulus shin plate offers superior impact and abrasion resistance, completing the protective features of these high-performance motorcycle boots.
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