. . BOLLE CONTOUR PROTECTIVE GLASSES WITH DARKNESS. . . BOLLE CONTOUR PROTECTIVE GOGGLES WITH STURDY (CONTPSF) Robust, stylish, comfortable safety glasses with PLATINUM coating on both sides making the lenses extremely scratch resistant (1.4 cd/m2) provides resistance to chemicals and slows down evaporation. EN 172-compliant filter for leveling sunlight in industrial applications. UVA/UVB filter protects against radiation at an effectiveness level of 99.9%. Features a non-slip nose pad and ergonomically shaped temples. Extremely lightweight (21g). They meet European standards: CE EN 166, EN 170, EN 172 Optical class: 1 - for continuous operation F - impact resistance of a 6 mm diameter, 0.86 g ball ejected at 45 m/s T - risk of impact with high-velocity particles at extreme temperatures K - resistance of the surface to damage (scratching) by fine particles N - resistance to fogging (overgrowth) EN 172 - level of effectiveness 5 to 4.1 Weight: 21g. manufacturer: PROCERA. . . . . SKU PRC-CONTPSFID 3497Category Eyewear & ShieldsPROCERA.