Xezo Mens Pilot Aviator Series 100% Titanium Polarized Sunglasses for Golf, Drive, Sports titanium frame polarized 100% Titanium Frame finished in Black Chrome with 18 Karat Gold-Plated Accents Size: Lens 55 mm x bridge 18 mm x arms 140 mm Leather Case, cleaning cloth, certificate Featherweight. Only 0.6 oz. The sun lenses in the Xezo titanium frames can be replaced with prescription lenses by an optician, should this ever be required