A-Frame™ 2.0 is a leaner and cleaner look that goes low profile to reduce weight and bulk, and that’s just the start. It is an icon-ic design with enhanced fit and performance.HIGH DEFINITION OPTICS®High Definition Optics® (HDO®) is a collection of patented technologies that allow Oakley eyewear to meet or exceed the testing standards of the American National Standards Institute for optical clarity, visual fidelity, and impact resistance.PRIZM™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.PRIZM TORCH IRIDIUMLight Transmission - 20%Light Conditions - Bright LightContrast - IncreasedBase Lens Colour - PRIZM_BRIGHT