Uvex 9168165 Astrospec 4C Safety Glasses Protective Eyewear Features - Outstanding wearer comfort due to duoflex pads. Single Optidur 4C    plus anti scratch and anti fog polycarbonate lens with integral brow    guard. Lens inclination and temple length adjustment. - Maximum UV protection. - CE approved to EN166 1F. - Lens type: Clear (class 1) - Frame colour: Blue - Standards met EN166 1F Specifications - Lightweight safety spectacle with single polycarbonate lens with integral brow guard. - Perfect fit through 3 position lens inclination and 4 position temple length adjustment.  - Duo-flex comfort temple pads. - Optidur 4C Plus coated single polycarbonate lens. - The most traditional, widely used safety glasses on the market. - Demanded by workers on the job due to its contemporary styling, comfortable fit and economical lens    replacement system.