Lacoste Men's L161S Rectangular Sunglasses Imported Plastic frame Plastic lens Non-Polarized 100% UV protection coating Lens width: 58 millimeters Lens height: 46 millimeters Bridge: 16 millimeters Arm: 142 millimeters Made of monel metal that is lightweight and durable Stopper hinge that prevents the temple tips from sctraching the inside of the lenses when folded Polycarbonate lens that is lightweight and impact resistant with a scratch resistant coating Case Included Lenses are prescription ready (Rx-able)