Oakley Hybrid S M Frame Replacement Lenses fit any M Frame (excluding Mag M Frames), and customize your sunglasses to changing light conditions (click sizing/info chart below for details). The Hybrid S is the smallest replacement M Frame lens Oakley makes, and is best suited for small faces. Available also in iridium [OAK0281]. Product FeaturesMaterial: Polarized: Compatibility: Recommended Use: Manufacturer Warranty: