Oakley Flak® 2.0 XL USA Team Colors - Prizm Sapphire Iridium - 918889PRODUCT DETAILS: Frame color: Grey Lens color: Prizm Sapphire Fit: Standard Product Code: OO9188 8959 PRIZM Lenses Prizm is a revolution in lens optics built on decades of color science research. Prizm lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. Product overview Oakley engineering takes performance to the next level and brings style along for the ride. Flak