Descriptors | Headwear, Cyclists helmets, Vehicle users helmets, Helmets (protective), Protective clothing, Safety measures, Design, Field of vision, Childrens clothing, Straps, Strength of materials, Quick-release mechanisms, Durability, Marking, Instructions for use, Impact testing, Drop tests, Testing conditions, Test equipment, Performance, Specimen preparation, Wear tests, Mechanical testing, Endurance testing, Safety devices, Adjusting devices, Care labelling, Performance testing, Attenuation, Acoustic measurement, Acoustic testing |