The 'STRATO' helmet is extremely lightweight and offers high comfort and a secure fit thanks to the "CenterFit" and "FLIP&FIT" systems. The chinstrap strength can be adjusted, making it suitable for both work at height and ground-level work. The non-ventilated shell provides electrical insulation and protection from molten metal. It meets the needs of professionals by allowing the attachment of Petzl headlamps, visors, ear muffs, and various accessories.