Smith Optics Mens Founder Slim Lifestyle Polarized Sunglasses/Eyewear - Matte Olive Tortoise/Brown plastic frame plastic lens polarized Lens width: 52 millimeters Bridge: 19 millimeters Arm: 130 millimeters Lens options: ChromaPop polarized lenses / Carbonic TLT lenses Medium fit / medium coverage Hydrophilic megol nose pads Auto-lock hinges 6 base lens curvature