High Performance Optical HardWear™ incorporates elements never before seen in a fits over sunglass. The aerodynamic, ultra light frames feature AirPads™ (air filled rubber pads on the nose and brow that enhance the fit of the frame to the contour of the wearer's facial features), and polarized polycarbonate ANSI Z87.1 impact resistant lenses with a hydrophobic shell that repels liquids and moisture. The patented SportsFrame™ design with Advanced UV Protection™ comfortably isolates the eyes in 360° of progressive optical technology. The wrap around OveRx™ design fits comfortably over many styles of prescription eyewear, and protects the eyes from the elements, allowing the wearer to remain relaxed and focused in challenging athletic environments that demand a high level of visual perception. Aluminum case and Live designer micro fiber cloth pouch included. Limited lifetime warranty. Live sunglasses are available from eyecare professionals. If you can't find an authorized retailer near you, visit one of our online partners.