OAKLEY REPLACEMENT LENSES: Customize the look of your HSTN Low Bridge Fit eyewear and get the best optical performance for where you use it most. These HSTN Low Bridge Fit lenses are official Oakley replacement lenses that fit all HSTN Low Bridge Fit sunglasses. PATENTED HIGH DEFINITION OPTICS (HDO): All replacement lenses feature Oakley's high definition optics (HDO) which 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 VIOLET LENSES: Prizm lenses are designed to enhance color, contrast and detail. The violet tint on these lenses make it perfect for everyday use or while driving in medium to bright light. VISIT THE OAKLEY BRAND SHOP: Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.