Frame Color: Black * Lens Color: Gray Green * Size: 61-15-125 * Smith Optics Frontman 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