Smith Optics Dragstrip Sunglasses 100% Synthetic Imported Composite frame Chromapop lens polarized Lens width: 64 millimeters Lens height: 46 millimeters Bridge: 16 millimeters Arm: 130 millimeters Frame Color: Matte Tortoise Lens Color: Chromapop Blue Mirror Size: 64-16-130 Smith Optics Dragstrip 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