Modern high-wrap styling meets a classic silhouette with Oakleys Siphon OO9429 Sunglasses, a design of sculptural sophistication that brings the best of art and innovation to this celebration of Oakley heritage. These Oakley sunglasses sport High Definition Optics, which meet or exceed American National Standards Institute testing for optical clarity, visual fidelity, and impact resistance. Plutonite lenses provide top UV protection (filters 100% of all UVA/B up to 400nm and some harmful blue light), and you also get Prizm technology a revolution in lens optics built on decades of color-science research, providing unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. O Matter frames with Unobtainium earsocks maintain their grip through sweat and moisture, and the Three-Point Fit holds lenses in precise optical alignment while eliminating pressure points. These Oakley sunglasses fit best on medium to large faces. Nonpolarized. Made in USA. Type: Non Polarized.