These clear glasses are to be used as an accessory for safety helmets. Thanks to their eneveloping shape they offer a maximum protection. Inside helmet folding system when not used. This very practical system is designed for an intermittent use. Foldable branches allowing an easy positioning inside the helmet.
For general use :
PPE Directive 89/686/CEE
EN166 : Personal eye protection - Specifications
EN170 : 2002 Ultraviolets filters