The improved ergonomic design of the Alpinestars Tech 10 motocross boot offers a revolutionary style that incorporates streamlined, balance, and protection. To start with, the inner ankle brace system has many functions. The first is enhanced performance off the safety structure. Preceding Alpinestars boots have support built into the inner construction. However, the Tech 10 brings protection nearer to the body with its new inner brace. Gone is the design that uses a single hinge boot system, which Alpinestars introduced and patented back in the 80s but never utilized due to the stress that the system put on the knee. The new brace offers a patented double hinge, which the Tech 10 has, as well as hard compound torsion bars that are specially designed to endure the demands off motocross. The double hinge joints provides protection to the upper and lower serving to guard both the heel and the ankle while at the same time allowing freedom and flexibility for the rider as he enjoys the natural movement of the ankle and foot without constraint except at the point of over-extension. To further lessen the stress put on the knee, a soft replaceable inner bar comes with the Tech 10 allowing rider to customize the amount of ankle control, making for less stress transmitted to the knees when in deep deep ruts or other rigid situations. Also, this system minimizes the risk for twists and sprains, protecting ankle from lateral impacts. The Tech 10 is strong, comfortable, stabe, and lightweight. In more detail, the external construction features an ultra low profile style that minimizes weight along the lower of the boot. The upper is designed for flexibility, control, exceptional grip, and offers a streamlined profile. The exclusive biomechanical inner bootie allows an optimal safety and support levels. The torsion bars maintain ankle control and leg rotation while at the same time providing freedom of movement. The structure of the bootie is PU for protection and the padding of the heel and ankles absorbs shock with an ultra thin forefoot region that is very flexible so that rider can feel the controls better. The bootie is perforated, washable, and replaceable. The lightweight upper is made of full grain leather that provides impact and abrasion resistance via the PU shell that makes for optimal safety. The toe, foot, calf, ankle, and shin are all guarded by PU with extra hard PU on the toe box, Achilles tendon, and heel. The PU spine protects the heel, controls flexibility, and features a hyper-extension guard. On the outer of the boot, the anti-torsion PU ankle panel that provides support and flexibility. The interior features precision fit and ultra comfortable poly fabric lining has open cell foam with shock absorbing shin guard. The dual compound sole is integrated seamlessly into the multi-density base of the foot structure and offers built-in support. The sole also offers exceptional grip, durability, and feel with a very rigid structure. To keep the boot fitting precisely, the advanced closure mechanism consists of three techno-polymer and aluminum buckles that adjust easily and provide a streamlined and secure fit. These buckles also feature a memory and quick release and lock features, as well as a self-aligning design for exact fit. The three-buckle system works with the internal structure to offer excellent flexibility and support. The inner of the Tech 10 boot is made to optimize grip against the bike and features PU panels that provide heat and abrasion resistance. Also, the form fitting PU gasket effectively seals out water. The White model includes an airflow ventilating system.

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