CE approved to EN166 1B 349 - liquid (chemical) splash, large dust particles, molten metals and solids comfortable, ergonomically designed full vision goggle exceptional wearer comfort can be worn over most prescription spectacles wide, fully adjustable headband sophisticated indirect ventilation system easy lens replacement special versions available: - tear-off lenses - foam surround - flame-retardant pvc/signal red panoramic field of vision maximum UV protection optical class 1 polycarbonate lens colour: transparent grey lens: clear/UV 2-1,2 optidur 4C PLUS