ALPINESTARS SMX 6 V2 Motorcycle Boots Red-black, 41

a track and street performance riding boot which incorporates a newly designed upper for flexibility, the smx-6 v2 is superbly anatomically profiled, packed with innovative features and has the latest advancements in alpinestars? performance footwear design and development. every component on the ce certified smx-6 v2 has been carefully designed to give riders a crucial performance edge in the form of protection innovations, improved ergonomics and comfort features. features: - newly designed boot upper incorporates innovative front, rear bellow and rear calf zones for superior levels of flexibility. the upper is constructed from microfiber for durability and abrasion resistance. - ergonomic last for forefoot streamlining to enable greater control of the motorbike?s controls and for superior, wide-ranging foot profile, fit and comfort. - alpinestars? innovative tpu lateral ankle brace protection provides a biomechanical support between lateral top calf/shin and ankle and offers improved structural integrity, protection against impact shocks, repeated abrasion resistance and flex support. - air vents on the heel counter and shin plate plus breathable mesh inserts (vented version only) improve comfort and reduce fatigue on short and long rides. - high modulus tpu injected shin guard, calf protector, heel counter, shift pad, ankle brace and toe slider for improved shock protection and durability. - double density ankle protector on medial side layered under the upper offers protective performance in key area. - integrated, replaceable bi-injected tpu slider features new easy screw fixing concept for quicker and easier replacement. - innovative instep and achilles accordion flex zone construction for superior comfort, extension, control and support. - internal insole with the shank reinforcement integrated for support to the arch area and foot protection. - medial side entry opening/closure system features elastic-mounted zipper with wide velcro closure for flexibility and secure fit. the aperture opening is large to promote easier entry/exit. - internal toe box protection is layered under the upper for durability, improved feel and performance. - breathable textile interior lining features anti-sliding suede reinforcement on heel area help keep foot in position while riding. - new, removable anatomic footbed includes eva and lycra for performance, comfort and support. - alpinestars? new and exclusive compound rubber sole promotes improved feel and grip, water dispersion and durability.