The Petzl Vertex Vent Helmet is designed to offer ventilation, comfort, and protection for those working at height. It features a six-point textile suspension that ensures a secure fit and distributes pressure evenly, making it comfortable to wear all day. The helmet meets the ANSI Z89.1 standard, ensuring that it provides adequate protection against impact and penetration hazards. The CENTERFIT and FLIP&FIT systems allow for easy adjustment, and the adjustable-strength chinstrap ensures a secure fit. The ventilation holes with sliding shutters can be closed or opened to regulate temperature and airflow, making it suitable for use in all weather conditions. Additionally, the helmet is compatible with Petzl headlamps, hearing protection, and eye protection via the EASYCLIP side attachment system.