Using this helmet is easy. Just put it on your head and adjust the Ergo Fit system to get a snug fit. The adjustable visor can be moved up or down according to your needs. When it's sunny, lower the visor to block the sun. For longer rides, you can attach goggles to the visor. Remember, this helmet is designed for mountain biking, so don't use it for other high - impact activities. To maintain it, clean it regularly with a mild soap and water. Avoid using harsh chemicals as they may damage the helmet's materials. After cleaning, let it air - dry in a cool place.