Men's Oakley Flak Jacket 2.0 Xl Prizm Field Sport Sunglasses Oo9188 918803 - Red Oakley sunglasses. Series flak jacket 2.0 xl. Series number: oo9188. Shape: sport. Lens width: 59 mm. Lens height: 38 mm. Lens bridge: 12 mm. Arm length: 133 mm. 100% uv...