| High-Impact 2.2mm Polycarbonate: Constructed from 2.2mm thick, ballistic-grade polycarbonate (Model 740-0505) engineered for maximum impact protection in the ESS CDI frame. Mirrored Gray Glare Reduction: Features a Mirrored Gray tint that provides neutral color perception and high-performance glare reduction in bright, high-intensity sunlight. Lateral Exchange System Compatibility: Precision-cut for the CDI "Medium Fit" frame, allowing for rapid, tool-free lens interchangeability via the integrated side-loading architecture. | Military-Grade Authentication: Assigned NSN 4240-01-583-5969, ensuring these lenses meet rigorous government requirements for durability and optical performance. Technical Replacement Set: Sold as a matched pair of high-performance replacement lenses for existing frames; please note that the CDI sunglass frame is sold separately. |