Technical details: * Same comfort of an athletic shoe, with internal protection of the foot, ankle and leg areas * A system of internal inversion top buckle closure secures the foot and the reduction of the lateral dimensions of the boot. * Replaceable footbed. * Leather upper. Tibia plate shaped and injected at high pressure polyurethane (PU) for a high level of resistance to impact and abrasion. * PU injected into the back plate. * Patented ankle reinforcement with shock-absorbing padding on the ankles. * Abrasion resistant on the outside of each foot. * Three buckles polymer high impact resistance with integrated memory featuring a quick release / locking system and a reverse top closure. * Part of the boot superiorie sealed with a Velcro strap connected to elastic stretch leather. * Polymer coating material coupled with foam padding. * Alpinestars exclusive double-hardness rubber sole with high grip, rough terrain design.