The Turbine Black Ink by Oakley sunglases show up with a sporty frame and Prizm Sapphire lenses. The interchangeable icons plus inset zones of sure-grip Unobtainium® crank up the active look. Durability and performance match perfectly together. PRIZM SAPPHIRE POLARIZED LENSES Engineered for bright sun, Prizm Sapphire lenses reduce glare and balances light transmission to help you maintain color recognition. 100 % UV protection. Featurescomfort and performance of Three-Point Fit that holds lenses in precise optical alignmentdurability and all-day comfort of lightweight, stress-resistant O-Matter frame materialpatented unobtainium earsocks ensure a snug, secure fitsuitable for medium to large facesoptical precision and performance that meets all ANSI Z80.3 standardsoptimized peripheral view and side coverage of 8.75 Base lens geometryOakley’s High Definition Optics® (HDO®) makes it possible to have extended visual clarity all the way to the peripheryUV protection that filters out 100 % of UVA/UVB/UVC & harmful blue light up to 400 nm