Universally flattering pilot lens shape; Constructed of lightweight O Matter and durable C5 metal; No-slip Unobtainium nosepads increase grip with perspiration; Three-Point Fit for comfort and performance that holds lenses in precise optical alignment; Frame suitable for small to medium faces; Prizm lenses enhance color, contrast and detail for an optimized experience; HD Polarized minimizes glare via technology that produces a comprehensive, single-layered lens (optional); Plutonite lens material offers top UV Protection filtering 100% of all UVA, UVB up to 400nm and some of harmful blue light; Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and impact standards; Available with Oakley Authentic Prescription Lenses