The Madd Gear EPS Helmet is ideal for a wide range of skating activities such as skateboarding, roller skating, inline skating, scooter riding, rollerblading, longboard and 2-wheel electric ride-on's! For Ages 5 Years and Up. For Head Circumference: 21.6 - 22.8" / 55 - 58CM. Triple Certified to meet the highest testing and safety standards around the world. The Madd Gear scooter helmet uses durable tough plastic shell and soft EPS foam liner to absorb external pressure caused by a crash in any skating activity. The MG helmet allows the rider to feel safe and confident while performing.