The Petzl Vertex Vent helmet is top choice for rescue helmets. With a retractable headband for storage, a height and single headband adjustment wheel, ventilation, webbing suspension system, four headlamp clips, side slots for mounting hearing and eye protection and polycarbonate shell, it is a sure fit for just about every rescue.
Features
Replaceable foam headband
Forward and backward adjusting chin straps
Breaking strength greater then 50 daN
Adjustable ventilation with sliding shutters
Specifications
Meets options requirements of the EN 397 standard: Leteral Deformation, use at low temperatures (-3OC)
Does not meet optional requirements of EN 397 regarding: electrical insulation, molten metal splash