Specially created for the needs of military and those in extreme activities, Oakley Turbine Rotor OO9307 Polarized Sunglasses have a wraparound single-lens design to protect your eyes. These Oakley impact sunglasses boast a toric shield that optimizes vision from every angle. Prizm lens technology delivers ultra-precise color tuning for any environment. Nonslip Unobtainium nose pads and temple tips facilitate a Three-Point Fit that keeps this tactical eyewear firmly in place. Plutonite lenses offer UV protection, filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nm. The O Matter stress-resistant frame is lightweight and durable for all-day wear. Select styles are Standard Issue series to make them combat-ready. Oakley Turbine Rotor Polarized Sunglasses have a curve that hugs your face for peripheral protection and you can even change out the lens with a new one (not included) so you can adapt to changing conditions. Made in USA. About Oakley lenses: Prizm: Designed to deliver ultra-precise color tuning for any environment. By fine-tuning individual wavelengths of color to make everything vivid and vibrant Prizm sharpens visual acuity to reveal nuances that would otherwise be missed by the naked eye. Iridium: This special metal oxide coating allows Oakley to fine-tune lenses of any color. The iridium coating regulates contrast, glare, reflection, light transmission and light absorption, tailoring the lenses to better fit specific conditions. Gradient: Offers a smooth transition in shading from a darker top to a lighter bottom while still retaining true color perception. Photochromic: A premium option for select single-lens eyewear designs, it darkens the lens automatically to help you adapt to changing light and always perform at your best. Even when the photochromic lens color lightens, Type: Polarized.