?Superior field of view in a medium sized, frameless design. One size does not fit all, so Oakley has expanded the popular Flight Deck family with a mid-sized fit. Inspired by the helmet visors of fighter pilots, the Oakley Flight Deck M offers a maximum field of view so you won’t miss a single target of opportunity. The Ridgelock interchangeable lens system lets you adapt your lens to whatever the weather decides to bring.Prizm™ Sapphire Iridium LensPrizm™ lenses adapt to weather conditions and provides optimal colour representation while maximising depth perception and greatly improving visibility. The lenses are injection molded under extreme pressure with impact-resistant Plutonite® to create a precise contour with optically correct geometry and clarity.