Alpinestars Motorcycle boots Smx-6 V2 GorSummerx Black Black, Black/Black, 43

With advanced front and rear accordion flex inserts, the SMX-6 GORE-TEX is a waterproof and breathable racing boot that is suitable for the track and the road. Anatomically cut and full of groundbreaking features, this boot integrates the latest in shoe design and development. All parts are carefully selected to provide a decisive performance advantage and keep you on the track longer. Newly developed boot upper integrates groundbreaking front, rear bellows and rear calf areas for superior levels of flexibility. Main upper made of advanced microfibre for durability and abrasion resistance as well as a waterproof and highly breathable inner layer made of Gore-Tex for excellent all-weather performance. Ergonomic A Higher forefoot wind streamliness to allow significantly higher control on the levers, and for superior extensive foot profile, wearing fit and comfort. Alpinestars groundbreaking lateral TPU ankle splint protector provides biomechanical support between lateral calf/shin and ankle and provides improved structural integrity, impact protection, abrasion resistance and flex support. Sole made of Alpinestars new unique rubber compound promotes improved feel and grip, water drainage and durability. Ventilation openings on heel cap and shin guard improve cooling comfort on short or long rides. Shin and calf protection, heel cap, shift cushion and toe slider made of injected high-module TPU for improved impact protection and durability. Double-density ankle protector on the medial side is layered under the upper material and provides protection performance in the key areas