Using this Giro Fixture II MIPS MTB Helmet is easy. First, adjust the Roc Loc Sport fit system to get a snug and comfortable fit on your head. The removable visor can be put on or taken off according to your needs. For off - road adventures or casual rides, just put on the helmet and enjoy your biking. When it comes to maintenance, you can clean the quick - dry padding regularly to keep it fresh. Also, check the reflective decals to make sure they are in good condition for visibility. Always store the helmet in a cool and dry place. Remember, this helmet is for mountain biking, so don't use it for other activities not recommended. And if it has been in a serious impact, replace it to ensure your safety.