Oakley TwoFace Sunglasses allow you to face the world with a pair of shades as laidback as you are. The Oakley TwoFace uses two different materials for the frames, Oakley’s O-Matter nylon for the top of the frame and aluminum lower rims for a unique look. Features of Oakley TwoFace Sunglasses Lightweight O Matter frame material with Square O metal icon accents Precision-formed aluminum lower orbital 6 base lens geometry with HDO Available with Prizm lenses to enhance color, contrast and detail for an optimized experience Polarized and Iridium lens options available Oakley TwoFace Machinist Matte Black w/Chrome Iridium Lenses OO9189-30