Experience the epitome of oakley engineering in enigma mass. These square-shaped glasses offers a unique blend of style and performance, making them a perfect choice for everyday wear. The matte blue steel frame adds a touch of sophistication, while the standard lenses provide optimal clarity. The frame is also compatible with oakley's customizable optics system, allowing you to personalize your vision even further. Embrace optical perfection with enigma mass. Available with prescription lenses.