Replacement Polarized Lenses for Oakley Flak 2.0 XL Sunglasses Composite frame Composite lens polarized Lens width: 60mm Lens height: 40mm This Lenses Only Fit Oakley Flak 2.0 XL Sunglasses(Flak 2nd Generation, But Not Fit Flak 2.0, Not Fit Flak Jacket and Flak Jacket XLJ). If you are not sure, please search the SKU # which is marked on your frame. (Fit SKU: OO9188) 100% Polarized and 100% UV Protection on all lenses Suitable for cycling, running, driving and other out-door sports and activities Precision Cut and Guaranteed to Fit Reduces glare and enhances contrast perfectly