With High Definition Optics® in a ruggedly durable yet comfortably lightweight design, these semi-rimless Oakley glasses will take performance to the next level and bring style along for the ride. The design features: PRIZM™ is a revolutionary lens technology that fine-tunes vision for specific sports and environments. Enhanced lens coverage extends your peripheral view to improve protection against sun, wind, and impact Three-Point Fit holds lenses in precise optical alignment while eliminating pressure points Unobtainium® earsocks and nosepads increase grip with perspiration for a no slip grip Plutonite® Lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nm PRIZM™ O Matter™ stress-resistant frame material is both lightweight and durable for all-day comfort and protection Prizm™ is a revolution in lens optics built on decades of color science research. Prizm™ lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility.