Using this MET Roam MIPS helmet is easy. Just adjust the straps to fit your head snugly. Make sure the helmet sits level on your head and covers your forehead. When you're riding, this helmet will protect you from impacts. Remember, always check the helmet for any cracks or damage before each ride. If you notice any, stop using it right away as it may not offer proper protection. To keep your helmet in good shape, clean it regularly with a mild soap and water. Don't use harsh chemicals as they can damage the helmet's material. Store it in a cool, dry place away from direct sunlight.