features a one-piece plastic impact-resistant shell and high-density EPS shock-absorbing cushioning to keep your child safe during any activity.Features:Switch between half and full helmet with ease using buttons on the sides for versatile conservation that meets your child's needs.4 breathable vents and aerodynamic design provide cool airflow and reduce sweating while ridingCome with a lightweight design that won't burden your child's head.Great for a wide range of activities, including riding, skateboarding, roller skating, inline skating, scootering, longboarding, and more.The head circumference adjuster ensures a secure and comfortable fit for your child's head, giving you peace of mind.