Alpinestars Tech 5 Motocross Boots, white-red-blue, size 44 45

coming in the wake of the hugely successful and iconic tech 10 and tech 7 the new tech 5 is an advanced multi-material, multi-panel construction boot that further strengthens alpinestars line-up of class-leading motocross and off-road boots. incorporating an innovative microfiber chassis, which is extremely durable and lightweight, a medial biomechanical pivot system for excellent levels of support and stability and extended accordion flex zones, the tech 5 affords performance fit and high levels of comfort and durability.features:- upper constructed from innovative, abrasion-resistant microfiber with synthetic polymer on toe box. main microfiber material offers high levels of water-resistance, durability and improved weight-saving. material ensures consistent fit for long term usage and is easy to maintain and clean.- redesigned instep and achilles accordion flex zones made from lightweight microfiber for superior comfort, control and support.- contoured advanced polymer core structure envelopes upper boot for structural integrity and abrasion resistance while allowing excellent levels of controlled flex.- anatomically profiled, high modulus polymer shin plate for superior impact and abrasion resistance. the contoured shin plate allows for greater range of fitment and features a velcro® adjustable panel for a personalized and secure closure.- medial-facing biomechanical pivot system links lower and upper parts of the boot and gives front and rear flexibility and structural support. both the inward-facing upper and lower panels are constructed from specifically formulated polymer with grip sculpture patterning for maximum contact with motorbike and improved abrasion resistance.- innovative buckle closure system incorporates polymer and fiberglass buckle arms and high-impact aluminum bridge closures for durability and weight-saving. - buckle system features memory and a quick release/locking system with self-aligning design for easy, precise closure and improved riding performance and security. all buckles are easily replaceable. - the tpu buckle straps are ergonomically profiled to promote high levels of front flexion.- innovative one-piece tpu injected dual compound foot shell with excellent impact and abrasion resistance and unmatched levels of safety. this shell is reinforced by a metal shank inside and toe reinforcement co-injected in harder compound.- exclusive dual compound sole is seamlessly integrated to the multi-density foot base structure with built-in support. the sole offers superior durability, grip and feel while riding. the sole is replaceable.- the tpu heel patch connected with shell and lateral/medial tpu parts, offers protection and support.- soft poly-foam surrounded the ankles and collar offer shock absorbing performance, plus full interior textile lining for comfort.- replaceable anatomic eva footbed with textile lining on top.