Costa Del Mar Caballito Black Sunglasses 580P Grey Lens With Free Black Mesh Hat Plastic frame plastic lens polarized Lens width: 59mm Comes with FREE Costa Black Mesh Hat Stainless steel integral hinge Heavy-duty TR 90 nylon frame 100% UV light blockage for max protection and 100% polarization kills reflected glare and reduces eye strain Plastic lenses are lightweight, impact- and scratch-resistant