| High-Impact Polycarbonate: Features 2.2mm thick, ballistic-grade polycarbonate Clear lenses (Model 740-0185) specifically engineered for the ESS CDI sunglass frame. Lateral Exchange System Compatibility: Designed for use with the CDI's rapid-interchange system, allowing for quick, tool-free lens swapping to adapt to changing light conditions. Optical Clarity & Protection: Provides 100% UVA/UVB protection and distortion-free vision, optimized for low-light, indoor, or night-time environments where maximum light transmission is required. | Precision Medium Fit: Precision-cut to ensure a secure, seamless fit within the "Medium Fit" CDI frame architecture, maintaining the original safety profile of the eyewear. Technical Replacement Part: Sold as a set of replacement lenses for existing CDI frames; please note that the CDI sunglass frame is sold separately. |