Smith Optics Hemline Premium Lifestyle Polarized Designer Sunglasses - Black/Chromapop Gray Green / Size 64-15-135 Frame Color: Black Lens Color: Chromapop Gray Green Size: 64-15-135 Smith Optics Hemline Premium Lifestyle Polarized Designer 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