Costa Copra Sunglasses Composite frame plastic lens polarized Lens width: One Width millimeters Bridge: 22.10mm Arm: 130mm Frame Material : Plastic / Lens Material : 580Plastic Frame & Lens Color : Matte Gray/Cream/Salmon/Copper Silver Mirror 580Plastic Polarized Lens Polycarbonate & trivex are your lightest and most durable lens material options