Ergonomically profiled for an optimized youth fit, securely held in position via a dual strap closure system, the Youth Bionic Plus Knee Protector incorporates 3D mesh & vented panels to prevent the build-up of heat. With an asymmetric & lightweight design plus strategic flexion channeling, this knee protector provides high levels of freedom of movement & comfort. Features Protection systems utilizing robust protective structures & impact absorption padding Highly ergonomic design improves streamlining while providing crucial protection for MX & off-road riding Asymmetrical & lightweight ergonomic panel construction offers extended protection surfaces to reduce rotation Dual strap closure system on Knee Protectors specially designed to offer more comfort & adjustment, with top strap mounted above the knee & lower strap positioned for ergonomic fit Vented panels & 3D mesh material give comfort to the rider, preventing heat build-up while maintaining tactile contact with skin Designed with a flexion channel through the shell that allows the shell to bend with the knee