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 SAPPHIRE LENSES: Prizm lenses are designed to enhance color, contrast and detail. The grey tint on these lenses make it perfect to use when there's strong sunlight or intensified light that is reflected off water or snow. 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. MICROBAG, CLEANING CLOTH AND WARRANTY INCLUDED: All Oakley frames sold by authorized sellers like Amazon are eligible for all manufacturer warranties. Included is microbag storage and cleaning cloth to clean and store your Oakley sunglasses.