Timelessly styled, the top shelf Smith Audible Sunglasses feature titanium construction for incredible durability and weightless feel, while the cutting edge ChromaPop polarized lenses provide an excellent view. . Medium fit; medium coverage. Rugged and lightweight titanium construction. Polarized Brown ChromaPop lenses -reduce reflected glare and sharpen detail. Lenses provide 100% protection from harmful UVA/B/C rays. Polarized lenses reduce glare from snow, water, asphalt; provide truest color and object definition; reduce eye fatigue. Scratch- and impact-resistant Carbonic TLT lenses are optically corrected to maximize visual clarity and object definition-ideal for casual use. Hydrophilic Megol temple pads grip your skin to help keep the frame in place; gripping power increases when introduced to moisture. Comfortable, adjustable silicone nose pads. Frame measurements: 60-13-140 (eye, bridge, temple); eye measurement is the horizontal width of the lens.