ALPINESTARS TECH 10 BLUE BLACK BOOTS accessories Maximizing these priorities is the HHF YAM 8 Maximizing these priorities is the key achievement of the new Tech 10 and the result is an all new boot with a greater range of movement and flexibility while offering better control over the flexion and torsion forces that significantly improve boot performance less weight and to facilitate easier and quicker wearing featuring: Engineered frontal flexion control offered by a dual density TPU connector system more durable composite materials and a more integrated approach to the construction of the components which dynamically enhance the chassis of the boot and utilize more advanced bonding processes