Uncompromised clarity for razor sharp focus - Oakley Frogskin Matte Tortoise. In pop culture, it was a time like no other. Ronald Reagan was in the White House, The Terminator was in the box office, and Run DMC was in certified gold. It was also the time when Oakley created one-of-a-kind sunglasses called Frogskins. Oakley resurrected the original tooling from the '80s giving you a chance to own a piece of history. The lightweight and nearly indestructible O Matter frame material makes you forget that you are even wearing glasses, while the full protection for your eyes remains. With the Three-Point Fit, the lenses are always in the right optical position to your eyes and prevent from pressure points in your face or your ears.Oakley Prizm lensesPrizm is a revolution in lens optics built on decades of colour science research. Prizm lenses provide unprecedented control of light transmission resulting in colours precisely tuned to maximise contrast and enhance visibility. By fine-tuning individual wavelengths of colour, PRIZM sharpens visual acuity to reveal nuances that would be missed by the naked eye. With regular sunglass lenses, the world looks dull and flat, but Prizm lens technology makes everything look vivid and vibrant.The Plutonite Lenses offer top protection and filter out 100% of all UVA, UVB, UVC and harmful blue light up to 400nm. With XYZ Optics technology the glasses are always optical correct and save your eyes from getting tired.