PETZL's A020CA01STRATO HI-VIZ lightweight high-visibility helmet. The adjustable-strength chinstrap makes it ideal for both work at height and on the ground. The unventilated outer shell protects against electrical hazards, molten metal splash, and flames. With its potential for integration of a Petzl headlamp, hearing protection and multiple accessories, it is an entirely modular helmet, thus meeting the specific additional needs of professionals. The high visibility version features a fluorescent outer shell with phosphorescent clips and reflective bands, for optimal visibility of the worker, day or night.