Desc. Features Specs & Guarantee 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 Z80.3 certified - UV400 - 100% UVA / UVB blocking.Shatter-resistant single shield polycarbonate lenses.Durable polycarbonate frame construction.Customizable arms for no-worries repairs and limitless color optionsNo Hardware or tools required. 100% Satisfaction Guarantee - If you are unhappy with an item for any reason we will gladly accept unworn product in it's original packaging for full refund within 60 days from the date you received it. Warranty: We fully back all of our products against manufacturer's defects. If you have any issues, we will replace any defective or malfunctioning part at no charge. For more information on our warranty policy please visit: Heat Wave Visual Warranty and Returns