The Razor V 17 Youth Helmet is a kid s helmet perfect for biking skating or other outdoor sports. It has ergonomically designed foam padding to keep little heads safe and comfortable. This helmet has a breathable design with 17 vents that will keep rider s heads cool even on hot days. It has side release buckles that are adjustable and fasten quickly. The V 17 meets CPSC standards for safety so you can rest easy while your child is out riding. It fits head sizes 21.5 23 inches around and has extra padding to fit your child s head securely. For a helmet both you and your child will appreciate get the Razor V 17 Youth Helmet.