How to use: Simply put on the helmet and adjust the Ergo Fit system to get a snug and comfortable fit. You can also adjust the visor according to your needs, like blocking the sun or attaching goggles. When you're riding, make sure the helmet sits firmly on your head. Note: Always check the helmet for any signs of damage before each use. Avoid using it if it has cracks or other visible defects. Do not modify the helmet in any way as it may affect its safety features. Maintenance: Clean the helmet regularly with mild soap and water. Let it air - dry naturally. Store it in a cool, dry place away from direct sunlight and sharp objects.