HELMET SIZING Recommended Age: 5+ Recommended Size: 21.5" - 22.5" Unleash Their Inner Dino! This RazorA(R) Child Multi-Sport Helmet comes in glossy lime green with a dinosaur, and this helmet has it all. Safety comes first, as it is CPSC approved, meeting the highest safety standards for multi-sport activities. The adjustable straps ensure a secure and comfortable fit for your child&';s head. At the same time, the 17 air vents provide maximum airflow to keep your child cool and comfortable during any activity. The thick outer shell and shock-absorbing EPS foam offer ultimate protection against impact, keeping your child safe and worry-free. The removable pads make it easy to clean and maintain the helmet, ensuring your child always has a clean and fresh helmet. RazorA(R) - the most trusted name in scooters - brings you this amazing helmet! KEY FEATURES: Durable & Lightweight Plastic Outer Shell Lightweight & Shock Absorbing High-Density EPS Foam Inner Shell Removable & Washable Inner Foam Padding Adjustable Straps Easy-to-Use Buckle System CPSC Approved