The ALPINESTARS Youth Bionic 5S Knee Braces in Black/Red (Part Number: 6540520-13) provide exceptional support and protection for young riders. Designed with innovative hybrid frames, these knee braces are constructed from a flexible composite material over-injected with high-performance fiber-reinforced polymer, ensuring optimal structural integrity while remaining ultra-lightweight. The slim ergonomic design ensures comfort during dynamic movements, making them perfect for various riding positions. With a highly ventilated structure, they offer strong impact force dispersion and absorption, significantly reducing the risk of knee injuries. Features: * Innovative Hybrid Frames: Constructed from a flexible composite for optimal structural integrity and support. * Slim Ergonomic Design: Provides riding comfort during dynamic movements. * Stable Four-Point Hinge System: Follows the natural articulation of the knee for enhanced stability. * Lightweight and Ventilated: Offers strong impact force dispersion and maximum coverage. * Injury Risk Reduction: Reduces the risk of sustaining injuries to key knee ligaments and meniscus.