| High-Impact Polycarbonate Construction: Features 2.2mm thick, high-impact polycarbonate Clear lenses (Model 740-0550) specifically designed for the ESS 5B sunglass frame. Optical Clarity & Protection: Engineered to provide distortion-free vision across the entire field of view while offering 100% UVA/UVB protection. Universal 5B Fitment: Designed as a precision-fit replacement lens for the ESS 5B series, ensuring a secure "Universal Adult Fit" for existing frames. | Interchangeable Lens System: Allows for rapid adaptation to low-light or indoor environments where maximum light transmission and eye protection are required. Technical Identification: Fully compatible with the 5B frame architecture; please note that individual lens replacement may affect specific military-grade certifications. |