1. Easy Installation and Secure Fit These helmet liners feature a contoured design that adapts to the shape of your head for a warm, secure fit that stays in place without slipping. Compatible with most helmet sizes, they significantly enhance comfort during wear. 2. Breathable 3D Ventilation System Equipped with a 3D ventilation structure combining an air channel layer and mesh material, these inserts effectively regulate heat and moisture. This design ensures lasting comfort by minimizing sweat and maintaining airflow during physical activity. 3. Intelligent Pressure Distribution The specialized structured support evenly distributes pressure across the head, preserving the natural hair shape and preventing flat spots. This effective pressure management helps maintain comfort even during extended use. 4. Versatile Riding Support Designed to provide adjustable support for e-bikes, motorcycles, and mountain bikes, the curved profile also complements children’s helmets. It ensures consistent comfort and stability on every ride, whether commuting, trail riding, or casual biking. Use Scenarios: - Enhancing comfort and fit during long-distance cycling or mountain biking. - Providing stable support and breathability for daily motorcycle or e-bike commuting. - Improving helmet comfort and pressure management for children during recreational rides.