Costa Permit 580P Polarized Sunglasses plastic frame plastic lens Polarized Lens width: 60 millimeters Bridge: 18.5 millimeters Arm: 136 millimeters 3" high 4" wide Polycarbonate & trivex are your lightest and most durable lens material options C-wall is a molecular bond which is Scratch-resistant 100% UV blockage for maximum protection 100% polarization kills reflected glare