For the ones who refuse to slow down and take notes on what the rest of the pack is doing: The Quatro. We've taken Heat Wave's heritage design features and reimagined them with a race inspired, smooth profile and premium fit. The Quatro's comfortable subframe is covered by a striking single shield lens and completed with a contrasting metal brow accent. These are sunglasses designed for fast living. Now available in our favorite color combination. Black on Black on Black. -Black single shield lens-Includes Microfiber bag-Matte Black frames & metal inlay logos-Fully Customizable with our extra Arms*-No tools or hardware required for customization-California residents, please read the Proposition 65 warning