Using this Bell Sidetrack youth helmet is a breeze. Just put it on your head and use the Ergo Fit system to adjust it until it fits snugly. Make sure the helmet sits level on your head and covers the top of your forehead. When riding, always wear the helmet correctly to keep you safe. As for maintenance, you can clean it with a mild soap and water solution. Avoid using harsh chemicals as they may damage the helmet. Check the helmet regularly for any signs of cracks or damage. If you notice any issues, replace the helmet right away. This helmet is designed for youth riders, so don't let adults use it, as it may not provide proper protection.