A single continuous lens sweeps across a comfortably lightweight O Matter(TM) frame and two interchangeable icons are included to change your look in seconds. a Lightweight O Matter(TM) frame material with Square O metal icon accents a Interchangeable accessory metal icon accents (additional icon designs available) a Oakley performance shield lens technology with HDO(TM) a Polarized and Iridium(TM) lens options available