Costa Copra Sunglasses Composite frame Composite lens mirrored Lens width: One Size millimeters Lens height: 42 millimeters Bridge: 22.1 millimeters Arm: 130 meters 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