No person one or more years of age and less
than 14 years of age shall operate or ride as a passenger on a bicycle
unless such person is wearing a helmet meeting the standards of the
American National Standards Institute (ANSI Z 90.4 bicycle helmet
standards) or the Snell Memorial Foundation's Standards for Protective
Headgear for Use in Bicycling. For the purposes of this section, "wearing
a helmet" means having a helmet of good fit fastened securely upon
the head with the helmet straps.