Articles of headgear (helmets); canoeists' helmets; crash helmets; crash helmets for cyclists; crash helmets for motorcyclists; cyclists' helmets; helmets for motorcyclists; helmets for protection against accidents; helmets for protection against injury; helmets for scooter riders; helmets for use in sports; motorcycle crash helmets; motorcycle helmets; motorcycle safety helmets; motorcyclists' helmets; protective helmets; protective helmets for cyclists; protective helmets for industrial use; protective helmets for motor cyclists; protective helmets for skiers; protective helmets for sports; protective sports helmets; protective sports helmets for use in aquatic sports; riding helmets; safety hats (protective helmets); safety helmets; safety helmets incorporating breathing apparatus; security helmets; shot blasters' helmets; skateboard helmets; sport bags adapted (shaped) to contain protective helmets; sporting articles (helmets) for protective purposes; sporting articles for wear (helmets) adapted for use in a specific sport; sports helmets; welding helmets