16 RACING SPORT ALPINESTARS MOTORCYCLING COLLECTION SMX1-R V2 VENTED BOOT PRICE: $ 259.95 SIZE: 40 - 47 EUR / 5 - 14 US + Main upper constructed from an advanced microfiber for comfort, durability and excellent of abrasion resistance. + Extensive perforations throughout for maximum airflow, with a front bellow constructed from textile material for enhanced breathability. + Innovative heel counter support system works in conjunction with a strap closure offers an enhanced fit and support, as well as structural integrity. + Rear of heel counter has been designed with soft TPR insert works seamlessly with the rear flex zone for improved freedom of ankle movement and comfort with the bike’s controls. + Rear flex bellow is equipped with a flex window, which also acts as an air intake for effective ventilation and airflow. + New ergonomic TPU shift pad for enhanced durability in a critical area. + Ergonomic boot shaping for forefoot streamlining and to cater for a wide-ranging foot profile fit and enhanced comfort. + The closure strap is anatomically angled to follow natural shape of rider’s instep. + Front hook and loop closure system offers a quick and secure fit over the instep area while permitting excellent levels of flexibility. + Strap features TPR puller for ease of use. + Aramidic fiber wires ensure the new strap closure system is durable, thin and lightweight. + Alpinestars exclusive compound rubber sole with grip patterning promotes feel and grip, water dispersion and durability. + Sole features integrated Alpinestars TPF (Transversal protection Frame) to protect against possible transversal loads. + Instep and Achilles’ accordion flex zones are constructed from lightweight microfiber for optimized levels of durability, comfort and maneuverability, on and off the bike. + Thermowelded flex grooves to control the flexion and flexibility of the shoe; instep, medial and back. + Reverse zip closure ensures a convenient in and out. + Double density ankle protector on both sides layered under the upper offers protective performance and abrasion resistance in key area. + Integrated, replaceable bi-injected TPU forefoot slider features a new easy-screw fixing concept for quicker and easier replacement. + External, high modulus TPU heel counter, lateral ankle and shift pad for enhanced shock protection and durability. + Internal toe box protection is layered under the upper for durability, improved feel and performance. + Removable anatomic foot-bed includes EVA foam and Lycra® for comfort and support. + Internal mesh lining for cooling comfort and moisture-wicking. + According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply: CE EN13634:2017. 40 41 42 43 44 45 46 47 3401-0845 3401-0846 3401-0847 3401-0848 3401-0849 3401-0850 3401-0851 3401-0852 SZ BLACK BLACK
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