Using the Lazer Finch Kineticore MTB Helmet is a breeze. Just put it on your head and use the Lazer TurnSys system to adjust the fit until it's comfortable. When riding, the visor will help keep the sun out of your eyes and the vents will keep you cool. Remember to always fasten the chin strap securely for maximum safety. As for maintenance, clean the helmet regularly with mild soap and water. Don't use harsh chemicals as they can damage the helmet. Store it in a cool, dry place when not in use. If the helmet has been in a serious impact, replace it right away as its protective ability may be compromised.