Transformable Design: The helmet features a versatile three-in-one design that allows you to switch between three different shapes, providing both style and functionality according to your preference. Enhanced Night Cycling Safety: The webbing includes reflective light elements, improving visibility and safety during night rides while adding a stylish touch. Breathable and Comfortable Inner Lining: The helmet is equipped with a detachable, breathable, and sweat-absorbing inner lining, making it easy to clean and ensuring your head stays fresh during long rides. Aerodynamic Wind Resistance: The pneumatic design of the helmet helps break the wind, while the adjustable ventilation openings can be closed or opened as needed to control airflow and maintain a cool temperature. Optimal Ventilation: With 26 ventilation holes, this helmet ensures maximum airflow to prevent overheating, especially when the large ventilation openings are exposed by removing the cover.