Alpinestars SP-X BOA Drystar waterproof Motocycle Boots   The mid-length SP-X BOA Drystar® boot is ideal for sporty touring and offers maximum comfort on long journeys. Thanks to the waterproof and breathable Drystar® membrane, the foot remains dry and well ventilated in wet weather. A robust, grippy sole makes the boot ideal for use on and off the motorbike.   Features: BOA Speed Lace System enables quick, precise and secure fastening via the side entry system Upper material made from a combination of microfibre, knitted mesh and injected TPU with elastane offers optimum breathability, comfort and performance Drystar® lining provides waterproof and breathable protection in all weather conditions Rubber sole made from a special compound offers excellent grip and cushioning, with integrated support insert to increase sole rigidity Sporty sole construction with flexible inner structure ensures optimum walking comfort Laterally adjustable Velcro system is integrated into the shin plate, with TPU 3D print for improved resistance Spandex front with injected TPU for added comfort and protection Calf made of breathable textile for more comfort 3D mesh lining ensures high breathability, microsuede on the heel provides nonslip grip Removable anatomical EVA footbed with elastane lining provides high comfort and support   Specifications: Protective boot for motorcyclists (EN 13634:2017) The shift lever reinforcement area features a new design and TPU technologies for better protection of the upper foot Strategically placed TPU sliders in the toe area and on the calf provide flexibility and protection TPU heel counter protects against impacts and provides additional stability Dualdensity ankle protectors between upper and lining for targeted protection in critical areas Internal shin reinforcement provides additional impact protection  

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