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. Ridgelock - Long gone are the days of struggling with installing lenses to adapt to changing weather conditions. With Oakley's Ridgelock technology, changing lenses is quick and easy, while still allowing for a complete lens seal to prevent harsh conditions penetrating into your goggles. Wide open visibility and enables a truly rimless lens aesthetic without any compromise to goggle performance. FIT Helmet Compatible - This goggle is engineered for optimal helmet compatibility with correct strap lengths and goggle proportions for a proper, comfortable fit, to eliminate gaper gap, and to maximize ventilation airflow. FEATURES Over the Glasses Compatible - These goggles are specifically designed to fit comfortably over your prescription eyewear. Designed for larger faces or riders who prefer oversized style PRIZM TORCH Light Transmission: 17% Light Conditions: SUN_AND_CLOUDS Contrast: Increased Base Lens Color: PRIZM_SNOW_ROSE. Nylon zip goggle case included. FLIGHT DECK PRIZM Unrivaled field of view with a wide range of helmet compatibility Features Optically correct rimless lens design with F3 Anti-fog coating Discreet frame notches at temple for compatibility with most RX eyewear frames Lens sub-frame attachment for fast and easy lens changing Injection Molded Polycarbonate under extreme pressure to create a precise contour of optically correct geometry Rigid lens carrier with flexible O Matter faceplate Fits most helmets Goggle Specs: Height: 4.05" Width: 7.25"