The Boll Safety SILEX Safety Glasses have an ultra-wraparound frame with PC/TPR co-injected temples for greater comfort. The frames also incorporate FLEX 160 technology to ensure they fit every face perfectly. The wraparound fit provides a panoramic field of vision. The lenses have an anti-scratch, anti-fog coating. These Boll Safety SILEX Safety Glasses have clear lenses. Approved for permanent wear and certified with perfect optical quality with anti-fog and anti-scratch coatings, 99.9% UVA/UVB protection. Specification Lens Type Clear, Anti-fog and Anti-scratch Lens Conforms to EN 1661F/EN 170-UV 2C-1.2 Frame Conforms to EN 166FT