Smith Optics Turnkey Unisex 66mm rimless Sunglasses Imported Composite frame plastic lens polarized Lens width: 67 millimeters Lens height: 40 millimeters Bridge: 13 millimeters Arm: 130 millimeters Frame Color: Dark Brown Lens Color: Chromapop Brown Size: 66-13-130 Smith Optics Turnkey Premium Lifestyle Polarized Active Sunglasses Smith Optics Lens has Tapered Lens Technology that corrects the distortion by progressively tapering the lens from the optical center towards the outer edges. Light waves are thereby delivered straight to your eye resulting in zero distortion and true optical clarity. What you see is what you get