protective headgear black, white, or brightly colored a hard shell made of metal or plastic a chin strap or other fastening system padding inside for comfort air vents for ventilation a visor or face guard for additional protection
helmet which has protective headgear helmet which has black, white, or brightly colored helmet which is a hard shell made of metal or plastic helmet which is a chin strap or other fastening system helmet which has padding inside for comfort helmet which is air vents for ventilation helmet which is a visor or face guard for additional protection