Broad compatibility These helmet liners adapt smoothly to helmets of various shapes. A contoured fit and non-slip positioning improve comfort and stability with ease. Air circulation Mesh material and a 3D ventilation system enhance airflow while providing heat and sweat insulation for lasting comfort during activity. Hair-friendly support An innovative pressure-distribution system with an integrated structure helps prevent hair damage. It provides reliable hairstyle protection and long-lasting comfort for natural hair. Flexible versatility Fits E-bikes, mountain bikes, and motorcycles. Enables optimal integration into child helmets with curved support for reliable hold across different activities. Use scenarios - Daily commuting and casual rides on an e-bike or bike-friendly streets, where secure fit and comfort matter over longer periods. - Mountain biking or trail riding, benefiting from improved airflow and gentle hair-friendly support during demanding sessions. - Family outings or training with children, where curved support ensures reliable hold and compatibility with child helmets.