The Alpinestars Tech 10 Boots offer unparalleled functionality, performance, and safety. Their innovative design prioritizes a decrease in weight and material volume, leading to a greater range of movement and flexibility. The boots provide enhanced control over flexion and torsion forces, significantly improving performance and offering riders greater confidence and protection. A key feature is the patented Frontal Flex Frame, a seamless flexion control system with a dual-density TPU connector. The Tech 10 design is streamlined and contoured, with an ergonomically shaped calf protector that wraps around the rear leg. Article: Alpinestars Tech 10 Motocross Boots, black-red, Size 42 for Men. These boots combine dual front and rear blade connectors for complete and seamless flexion control, extending from the footshell to the shin plate.