Using this helmet is easy. Just put it on your head and adjust the lightweight fit system until it fits snugly but comfortably. Make sure it covers your forehead properly. When riding, the helmet will protect you from impacts. Remember, this helmet is designed for mountain biking, so don't use it for other extreme activities. To keep it in good condition, remove the moisture - wicking liner regularly and wash it with mild soap and water. Let it air - dry completely before putting it back in the helmet. Wipe the outer shell of the helmet with a damp cloth to remove dirt and debris. Check the helmet for any signs of damage after each ride, and if there's any significant damage, replace it right away.