ready for take off?. oakley has expanded the popular flight deck family with a mid-sized fit, made for smaller faces. the new flight deck m was inspired by the helmet visors of jet pilots and maximizes your field of view so you won’t miss a single target of opportunity. peripheral and downward vision are wide open for spotting your line, and the new ridgelock interchangeable lens system lets you adapt to whatever the sky dishes out. none of these pilots would take off without a helmet, so the flight deck xm was engineered for seamless compatibility with all leading helmet brands. with clean style, an open field of view, ridgelock lens system and maximum comfort, this goggle will dominate the skies for years to come.prizm torch iridium lens prizmâ„¢ lenses have been engineered to reduce the need switching lenses as lighting conditions change. prizmâ„¢ lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. the premium iridium lens coating is made with superheated metal oxides, also designed to balance light transmission and reduce glare. the prizm torch iridium lens is suited for conditions ranging from sunny to cloudy.transmittance if light: 17 %