Using the Bell Women's Nomad MIPS helmet is a breeze. Just put it on your head and use the Ergo Fit one - handed adjustment to get a snug and comfortable fit. When riding, make sure the helmet is centered on your head for maximum protection. As for maintenance, clean it regularly with a mild soap and water. Avoid using harsh chemicals as they may damage the helmet. Store it in a cool, dry place away from direct sunlight. Check the helmet periodically for any signs of damage, like cracks or loose parts. If you notice any issues, it's time to replace the helmet to ensure your safety on the trails.