Advanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility. 1. Front flex area is constructed with a soft microfiber for improve abrasion resistance and natural forwards and backwards movement. 2. Flexible accordion microfiber on Achilles gives enhanced natural movement. 3. Strategically positioned ventilation area in heel and shin TPU for breathability and airflow. 4. Outside entry/exit has stretchable accordion panel for a close fit and ease of entry and removal. 5. 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. · Wide heel counter with lateral ventilation extends to the ankle and is combined with a shock absorbing padded insert and self-molding ankle reinforcement. · Dual density TPU replaceable toe slider with screw-in assembly provides 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. · 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 guarantee a quick, precise and secure closure. · Hook and loop tap locks the zip pull close, keeping in flat and safe. · According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply to this product: EN 13634:2017. SMX plus v2 boot $ 549.95 size eu: 41 - 47 BLACK 3404-1459 3404-1460 3404-1461 3404-1462 3404-1463 3404-1464 3404-1465 SIZE 41 42 43 44 45 46 47 8
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