Acc. to EN 166, EN 171 (infrared protection filter), EN 169 (filter for welding). Lightweight over glasses with excellent coverage of the eye area. Polycarbonate lens - extremely scratch-resistant on the outside, anti-fog on the inside, minimises the burning-in of welding sparks Can be worn over most prescription glasses Integrated side protection With hinged temples, nickel-plated brass hinge Flexible, soft ear pieces Detectable Multi-protection filter with pleasant grey-blue tint: infrared protection according to EN 171 - from 780 to 3000 nm, welding protection according to EN 169, UV protection according to EN 170 and additional uvex UV400 coating - 100% absorption of UVA and UVB radiation up to 400 nm Over glasses super f OTG infrared protection