Bell Mismatch Design Rival True Fit Bike Helmet, Child: * True Fit with lights * LED reflectors for high visibility * 11 top vents and 6 rear vents keep heads ventilated * Base Guard provides enhanced aesthetics and durability * Tapeless technology * Visor offers protection from the sun and elements * PinchGuard buckle for no-pinch buckling * Fits head size 20.5"-22"