Most polarized lenses eliminate glare by blocking reflective light. But Costa's patented 580 lenses go further, blocking the perfect amount of harsh yellow light and harmful blue light while enhancing reds, blues and greens. The result: less haze, less blur, greater contrast and greater clarity. Color: MATTE BLACK FRAME / GRAY LENS Shape: Pillow, Full Rim Frame Material: Bio-Based Nylon Gender: Men