| High-Impact 2.2mm Polycarbonate: Engineered from 2.2mm thick, high-impact polycarbonate (Model 740-0552) specifically designed to provide a durable safety barrier for the ESS 5B frame. Mirrored Gray Light Filtration: Features a Mirrored Gray tint that provides maximum glare reduction and neutral color perception in bright, high-glare environments and direct sunlight. Universal 5B Frame Compatibility: Precision-cut to ensure a secure "Universal Adult Fit" within the ESS 5B series, allowing for rapid interchangeability as lighting conditions change. | 100% UVA/UVB Protection: Provides comprehensive protection against harmful ultraviolet rays while maintaining distortion-free optical clarity across the entire field of view. Technical Replacement Part: Designed as a high-performance replacement lens for existing 5B frames; please note that the sunglass frame is sold separately. |