Hair friendly protective design: The helmet liner pads feature a hair friendly design with a built in support structure to prevent hair flattening, while ensuring natural hairstyle retention through advanced pressure distribution technology for improved comfort during use. Advanced airflow and cooling: Mesh material construction combined with a 3D ventilation system improves airflow while isolating heat and sweat, delivering long lasting comfort in demanding conditions. Easy, reliable setup: Achieve helmet liner performance through a curved contour fit, non slip positioning, and an intuitive three step setup process, ensuring consistent compatibility. Flexible, multi use design: Designed to adapt to electric cycles, mountain cycles and motorcycles, these liner pads enable integration with kids helmets, while providing flexible arc shaped support for a dependable fit during diverse activities. Use scenarios Daily kid helmet use during school runs or weekend rides: Keeps hair looking natural and comfortable through longer wear, with secure, slip resistant fit and breathable cooling. Off road or mountain cycling: Enhanced airflow reduces heat build up and sweat, while the curved contour and arc shaped support maintain stability on rough terrain. Electric bike and motorcycle sessions: Quick to install across vehicle types, delivering consistent compatibility for mixed riding environments and family use.