KleenGuard™ Nemesis CSA Safety Eyewear's stylish good looks and durable, lightweight construction are just some of the reasons why millions of people wear them for protection both at work and at home. They have polycarbonate lenses that provide 99.9% UVA/UVB/UVC protection to help prevent eye damage. The wraparound frame has a base curve of 8.25 that extends the range of peripheral protection, as well as soft touch temples for comfort. Safety Glasses Style: Wraparound; Frame Color: Black; Frame Material: Plastic; Lens Material: Polycarbonate.