4 RACING SPORT ALPINESTARS MOTORCYCLING COLLECTION SUPERTECH R BOOTS PRICE: $739.95 SIZE: 39-48 EUR / 6-12.5 US 39 40 41 42 43 44 45 46 47 48 SZ 3401-0900 3401-0901 3401-0902 3401-0903 3401-0904 3401-0905 3401-0906 3401-0907 3401-0908 3401-0909 BLACK – – 3401-0986 3401-0987 3401-0988 3401-0989 3401-0990 3401-0991 3401-0992 – BLACK WHITE YELLOW FLUO RED + Main upper material constructed using microfiber for optimum abrasion resistance, while also delivering high levels of flexibility. + New front flex area for improved impact abrasion while also ensuring the natural front and back. + New front flex area increases ventilation and airflow for additional breathability. + Redesigned rear bellow in stretch microfiber for improved natural front and back movement. + Redesigned top gaiter in microfiber material with TPU over injection for enhanced prehensility. + New synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling when in contact with the bike. + New TPU shifter for increased protection on lower medial side. + New TPU shin plate has been redesigned for greater impact absorption performance, thus improving abrasion resistance in a key area. + New replaceable shin slider for additional abrasion resistance. + New TPU stretch panel design with zip for an easier entry and exit and a closer, more optimized fit. + Hook and loop closure secures the puller zip remains in position. + Micro adjustable ratchet closure on top of boot for an optimized fit. + Replaceable co-injected TPU/aluminum toe slider with an easy screw system that protects the toe area against abrasion resistance. + New replaceable heel plate slider design offers increased sliding performance and protection in the case of crash. + Sole constructed using a lightweight rubber compound for excellent grip on the pegs. + Separate, internally updated bio-mechanical inner bootie made by 3D mesh material for greater structure, thus improving rider comfort. + Inner bootie is equipped with a new external toe area with a soft TPU reinforcement for superior impact protection and additional ankle padding for greater protection, stability and cushioning during natural movement of the foot. + 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.
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