Smith Tenet Sunglasses - Polarized ChromaPop Frame Color: Tortoise Lens Color: Chromapop Bronze Mirror Size: 61-18-135 Smith Optics Tenet Lifestyle Collection Polarized Sports Sunglasses/Eyewear 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