Using this Met Echo Mips MTB helmet is easy. First, adjust the Safe - T Mid Fit System to get a comfortable and secure fit on your head. The adjustable cam adjuster allows you to fine - tune the tightness. You can put on or remove the visor according to your needs. When riding, the helmet's MIPS - C2 Brain Protection System works to protect your head from rotational forces during impacts. For maintenance, simply hand - wash the comfort pads regularly to keep them clean and fresh. Avoid using harsh chemicals as they may damage the helmet's materials. Store the helmet in a cool, dry place away from direct sunlight to prevent the shell from deteriorating. If the helmet has been in a significant impact, replace it immediately, as its protective capabilities may be compromised.