KENT USA Helmet V-10 Youth Bicycle Helmet Airflow helmet comes with a top and front vented design that is specially designed for better airflow and comfort to guarantee a cool head Side release buckles adjust and fasten quickly with pinch guard protection for No-Pinch buckling Fleece headband for extra comfort with patented Acu dial fit system for easy one-handed adjustment Extended rear coverage provides extra protection Youth large, fits head sizes 22-23.5 inches, complies with CPSC Safety standards for Bicycle Helmets for persons age 5 and older