ULTRA Polarized Replacement Lenses – engineered for exceptional clarity and protection, designed, manufactured, and tested in the United States for quality and reliability. Key Features and Benefits: 2.2 mm injected molded polycarbonate construction delivers outstanding durability while remaining lightweight for allday comfort. compatible with Costa Del Mar Diego sunglasses, providing a seamless fit without gaps or looseness. Polarized lens technology reduces glare from water, roads, and reflective surfaces, enhancing visual comfort and reducing eye strain. Meets and exceeds ANSI Z80.3, EN ISO 123121:2013, and AS/NZS 1067:2003(A1:2009) standards, ensuring optical precision and UV protection. Certified to ANSI Z87.1 Velocity and Impact standards for safety and impact resistance in demanding conditions. Grey/Warm Rose tint offers balanced color perception with outstanding contrast, ideal for variable light environments. 10 percent light transmission provides brightness control for medium to bright sunlight conditions. Practical Applications: Fishing and boating: Polarization reduces surface glare, allowing for better visibility of water depth and aquatic life. Driving: Improves clarity and contrast, reducing eye fatigue during long hours on the road in sunny conditions. Outdoor sports and recreation: Provides sharp vision and protection during activities such as hiking, cycling, or beach outings in bright daylight. With precise manufacturing standards, rugged polycarbonate strength, and advanced glarereducing performance, these replacement lenses restore and enhance your Costa Del Mar Diego sunglasses, ensuring dependable protection and clear vision in any bright outdoor setting.