These sun bifocals are polarized. The technology required to polarize the bifocal within the main lens is expensive but worth it! The less expensive versions have the bifocal attached to the main lens. Many fishermen like this style.
Anyone that wants to have the benefits of polarization with bifocals can't pass up these products. The bifocals are part of the lens to provide utmost clarity and ease of use. You'll see clearly and keep your eyes protected from the sun.