Conforms to CE EN 12492
Petzl Vertex vented helmet.
*Ventilation holes with sliding shutters
*Strong chin strap
*Side slots for mounting ear defenders
*Front slot for inserting the PIXA headlamp
*6 point webbing suspension four clips for mounting headlamp with elastic headband
*Foam inserts for maximum head protection
*Allows for ear defenders with a 30mm slot
*Head circumference: Min 53cm - Max 63cm