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 DEEP WATER LENSES: These Prizm lenses create vividness, enhanced contrast, and sharpened clarity helping to boost colors that water absorbs and cuts through glare so you can see what’s going on beneath the water's surface. 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. VISIT THE OAKLEY BRAND SHOP: Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.