Auto-darkening welding helmets; baseball batting helmets; baseball catchers' helmets; baseball helmets; bicycle helmets; boxing helmets; catchers' helmets; chin straps for american football helmets; chin straps for baseball batting helmets; chin straps for baseball helmets; chin straps for football helmets; chin straps for football helmets [american football]; chin straps for helmets for motorcyclists; chin straps for hockey helmets; chin straps for motorcycle helmets; chin straps for protective helmets; chin straps for softball helmets; crash helmets; crash helmets for motorcyclists; diving helmets; ear pads specially adapted for protective sports helmets; eye shields specially adapted for protective sports helmets; face masks specially adapted for protective sports helmets; face shields for protective helmets; football helmets; football helmets [american football]; headgear being protective helmets; helmet camera mounts; helmet cameras; helmet safety lights [flashing safety lights]; helmets for american football; helmets for ice hockey; helmets for motorcyclists; hockey helmets; hockey helmets [ice hockey]; jaw pads specially adapted for protective sports helmets; motorcycle helmets; mounts for helmet cameras; protective helmets; protective helmets for boxing; protective helmets for children; protective helmets for cyclists; protective helmets for military use; protective helmets for motorcyclists; protective helmets for motorists; protective helmets for sports; protective sports helmets; riding helmets; safety helmets; skateboard helmets; skateboarding helmets; ski helmets; snowboard helmets; snowboarding helmets; softball helmets; solderers' helmets; virtual reality headsets and helmets adapted for use in playing video games; visors for helmets; welding helmets.