Built with sport performance in mind, Oakley Targetline Sunglasses combine Prizm lens technology with a sure-fitting frame to maximize your view during any activity. A great choice for athletes and active outdoorsmen, the Targetlines Plutonite lenses filter out 100% of UVA/UVB/UVC and harmful blue light up to 400nm. Controlling the light transmission through the lenses for precisely tuned colors and maximized contrast, Prizm technology fine-tunes your vision for sports and outdoor environments. A taller lens design ensures uninterrupted downward vision, while the XYZ Optics technology ensures crisp clarity at every angle, giving you a crisp, clear look while swinging at a golf ball or chasing down a fly ball. Designed to fit well under a cap, the lightweight and stress-resistant O-Matter frames feature an angled brow and sleek temples. Textured ear stems and nonslip Unobtainium nose pads help provide a comfortable Three-Point Fit thats always in precise optical alignment. Select styles of Oakley Targetline Sunglasses are part of the Standard Issue (SI) series and are designed with a lens/frame color combination that better matches a military uniform. Standard fit. Nonpolarized. 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.