Assembled in the USA. PATENTED HIGH DEFINITION OPTICS (HDO): Oakley HDO provides superior optical clarity and razor-sharp vision at every angle as well as clarity and protection against impact and UV light, filtering 100% of UVA, UVB, UVC, and harmful blue light up to 400mm. OAKLEY PRIZM DARK GOLF LENSES: These lenses give you the ability to read the greens with confidence. Enhanced contrast from the rose base color means details become more defined while the darker tint provides extra protection on sunny days. O-MATTER STRESS RESISTANT TECHNOLOGY: O-Matter frames are lightweight and durable, injected with molded thermoplastic that provides improved strength and flexibility to withstand shifting or deforming over time. CASE, CLEANING CLOTH AND WARRANTY INCLUDED: All Oakley frames sold by authorized sellers like Amazon are eligible for all manufacturer warranties. Included is a protective case and cleaning cloth to clean and store your Oakley sunglasses.