How to use: Put on the helmet and adjust the 360 - degree fit system to get a comfortable and tight fit. You can adjust the visor in 3 positions to suit your goggles. When riding, the helmet will keep you cool through its optimized vents. Note: Keep the helmet away from aerosol sprays such as bug repellent and sunscreens, as they can damage the finish. Maintenance: Take out the removable and washable liner regularly to clean it. This will keep the helmet fresh and free from bad smells. If there's any damage to the helmet, especially after a crash, replace it immediately for your safety.