The Petzl VERTEX VENT is a comfortable and durable helmet with ventilation and meets the requirements for working at height. It features a strong chinstrap, ventilation holes with
six-point textile suspension system and CenterFit
adjustment system to keep the helmet centered on
the head. The VERTEX VENT is designed for optimal attachment of a PIXA
or ULTRA VARIO headlamp, a VIZIR, VIZIR SHADOW or VIZEN protective
shield and hearing protection.