Uncompromised clarity for razor sharp focus - Oakley Latch Matte Brown Tortoise A creative collaboration from the world of skateboarding, this design inspired by influential athletes is shaped with a classic keyhole bridge and the curves of rounded lens orbitals. Oakley engineered it with the convenience of an interior kick-up feature that lets you clip it to your shirt. 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 lenses Prizm 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.