Climax 539 C integral goggles have been designed to offer effective protection against the impact of high speed and low energy particles, against liquid drops or splashes, coarse dust particles, gas, and fine dust particles. Thanks to their special design, they offer a view field of vision and can be used while wearing corrective glasses. FRAME:The frame is manufactured in injected flexible PVC and It has a groove on its inside surface to hold the eyepiece and the necessary projection to secure it in position.LENSES:They are panoramic (in one piece). They are flat and colourless with a nominal thickness of 1.15 mm. EN 166 F CE Flexible vinyl frame..Antifog acetate lense.It can be used with prescription glasses.Optical class 1.Treatment: Anti-fogVersion:Closed ventilationReference: 539 CLens markings: PCX EN 166 3F 1F N CETags: Safety Goggles, Impact Goggles, Safety Glasses, Eye Protection, Protective Goggles, Chemical Goggles