Oakley Flight Deck is a large and oversized goggle which has a cool and minimalisk look. It is a frameless goggle with mirror lens. This means that you get minimum frame and maximum lens, giving you an unrivaled field of view in all directions. It is a great goggle, but is built such that it distributes pressure across the face, so you have no pressure points and the soft face foam sits comfortably against the skin. In this model, you get a Prizm Black Iridium lens, which is the darkest prizm lens. It is primarily made for sunshine, but because. The pioneering prizm technology works lens really well in changing weather and overcast conditions. The lens is protected against scratches and fogging with efficient coating. Prizm is an Oakley's patented lens technology. Designed to enhance the color and contrast so you can see more details. Through many years of research have Oakley created a technology that can filter light with respect to the eye's natural sensitive way to perceive colors. Each environment has its own visual requirements. So Prizm lenses are specially designed to highlight the contrasts and colors that are true for just the environment. Black Iridium with its 6% light transmission to the days when the sun knocking down, and you are sure to come away with a good goggle tan. Does not lend itself so well in situations where there is so much light, such as cloudy weather. Without doubt Oakley wildest lens on the front look.