alpinestars protections adult bionic 10 knee braces - dirt bike

• Features lightweight hybrid frame construction of carbon composite cores over-injected with an advanced fiber reinforced polymer • Innovative design and optimized material utilization of the exoskeleton frame construction make the knee brace even lighter than its predecessor, yet provides high structural strength and support • Performs at temperatures as low as -4°F • Double-pivoting hinge system incorporates tool-free, fast, easily exchangeable extension stops to help prevent hyper-extension injuries • Patented lightweight and highly-ventilated double-wall knee-cup system offers strong impact force dispersion and absorption while ensuring maximum coverage in all riding positions • Ergonomically sculpted knee-cup is constructed from a triple segmented polymer for flexibility and adaptivity that is backed with light padding for comfort • Knee-cup position is secured accurately in place by an innovative integrative mechanical guiding system to allow multi-directional movement • Highly-ventilated channeled padding and mesh zones provide optimized ventilation and airflow • Soft comfortable lateral knee padding avoids pressure points • Additional space padding enables a high-adjustability for a personal fit • Lightweight single straps on upper frames and buckle system promotes secure fitment of brace in all riding positions and effortless mounting • C-Frame strap system holds braces perfectly in place