Using this Jetblack Comp 2.0 Fullface Helmet is easy. Just put it on your head and adjust the straps to fit snugly. Make sure it sits firmly on your head for the best protection. When you're using it, always fasten the chin strap properly. Avoid wearing it in extremely hot or cold environments for a long time as it might affect the helmet's performance. To keep it in good condition, clean it regularly with a mild soap and water. Don't use harsh chemicals as they can damage the polycarbonate shell. After cleaning, let it air - dry in a cool, shaded place. Check the helmet regularly for any signs of damage, like cracks or loose parts. If you notice any issues, stop using it and replace it right away.