The radiation glasses Oakley Holbrook XL feature high quality, distortion-free SF-6 Schott glass radiation-reducing lenses with 0.75mm Pb lead equivalency protection. The radiation safety glasses Oakley Holbrook XL have clear CE Certified Lens and weight 79 g. These radiation glasses Oakley Holbrook XL are prescription available. Made of high-quality plastic, it is a durable and lightweight wrap around frame. These Oakley lead glasses feature a saddle bridge. These prescription Oakley radiation glasses are available in matte brown tortoise, crystal black, and polished clear.