The radiation glasses 206 feature high quality, distortion-free SF-6 Schott glass radiation-reducing lenses with 0.75mm Pb lead equivalency protection. These lead glasses also provide 0.50mm Pb lead equivalency lateral protection. The 206 lead glasses have clear CE Certified Lens and weight 75g. These radiation glasses 206 are prescription available. Made of high-quality plastic, it is a durable and lightweight rectangular, wrap around frame. The 206 radiation glasses feature rubberized nosepads, rubberized temples, integrated side shields, and a removable dust dam.