Alpinestars SMX-6 v3 Sort

Main upper material is constructed from microfiber to provide durability, high levels of abrasion resistance, and flexibility. New front flex and back flex design combines textile and over-injected, soft TPU areas, offering improved impact abrasion and optimal, natural front and back movement of the foot. New pull flap with dedicated design for increasing pensility and facilitating the hook and loop closure. New, dual compound removable anatomic footbed made in EVA with Lycra on top. Internal insole with integrated shank reinforcement for support to the arch area and foot protection. Internal toe box protection is layered under the upper for durability, improved feel, and overall performance. Sole is constructed from a lightweight rubber compound offering excellent grip on the pedal box. TPU lateral ankle brace protection provides a biomechanical support and protection between lateral top calf/shin and ankle. Equipped with a new TPU shifter zone for superior protection on the lower medial side. TPU shin plate protector delivers superior impact and abrasion resistance. Dual density TPU ankle protectors are strategically positioned between the upper on the medial side and the padded lining to provide the strategic protection in key areas. Replaceable, dual density TPU toe sliders with screw-in assembly. New back calf TPU bridge is designed to reinforce the level of protection and support. The SMX-6 v3 Boots are CE certified to EN 13634:2017.