The Oakley Flight Jacket Sunglasses are the ultimate eyewear for cycling, running, and beyond. Aero-dynamically engineered, this speed specialist comes equipped with the new Advancer nose bridge. With an open-edge brow, the Oakley Flight Jacket maximises upper field of views. The new Advancer nose bridge instantly opens airflow to combat fogging and overheating. Two included lengths interchangeable temples make sure that the Flight Jacket is compatible with your helmet. Oakley Flight Jacket Features Brow-less design allows for improved upper field of view Advancer™ nosebridge positions the frame to block light while opening airflow to combat fogging and overheating Interchangeable temple lengths for improved helmet compatibility Durability and all-day comfort of lightweight O-Matter™ frame material No-slip Unobtainium® nosepads and earsocks: Increase grip with perspiration Three-Point Fit: Comfort and performance that holds lenses in precise optical alignment Frame suitable for medium to large faces Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and impact standards