The Smith Sport Optics Audible sunglasses feature teardrop aviator frame style that is constructed of formidable titanium metal. These sunglasses are ruggedly durable with a weightless feel. This style of sunglasses by Smith features their superior ChromaPop polarized lenses providing crisp optical clarity and vivid color enhancement. Medium Fit / Medium CoverageLens Options: ChromaPop Polarized LensesTitanium Frame ConstructionAnti-Reflective and Hydroleophobic Lens CoatingsHydrophilic Megol Temple PadsAdjustable Silicone Nose PadsFrame Measurements 60-13-140