Oakley gauge 3. 1 eyeglasses are designed with precision and attention to detail, creating a timeless piece that is both practical and stylish. Crafted from titanium, these glasses feature a rectangle shape that adds a touch of sophistication to your look. The matte black frame color offers a sleek and modern aesthetic that complements any style. Embrace the versatility of oakley's cutting-edge eyewear with these high-performance shades. Available with prescription lenses.