* A breakthrough innovation for the Tech 10 is the introduction of Alpinestars patented Frontal Flex Frame. * The complete and seamless flexion control system features an engineered frontal flexion control offered by a dual-density TPU connector system. * The Tech 10 design is slimmer and more streamlined with a contoured calf protector ergonomically wrapping around the rear leg. | Article: Alpinestars Tech 10 Motocross Boots, pink, Size 43 for Men Alpinestars Tech 10 Boots Diva Pink White, Size: 9