PRIZM™ is a revolutionary lens technology that fine-tunes vision for specific sports and environments. Path lenses enhance performance if traditional lenses touch your cheeks and help extend the upper field of view Engineered for maximized airflow for optimal ventilation to keep you cool Unobtanium® earsocks and nosepads keep glasses in place, increasing grip despite perspiration Interchangeable Lenses let you change lenses in seconds to optimize vision in any sport environment