Oakley Chainlink Sunglasses - Polarized Made in US Plastic frame Plastic lens Polarized 100% UV protection coating Lens width: 57 millimeters Bridge: 17 millimeters Arm: 138 millimeters Case included Lenses are prescription ready (rx-able) Chainlink Lens Replacement lens have HDO Techonology that include the following. Clarity, refraction and UV protection. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!