The Monterey Polarized Sun Bifocal is a technology breakthrough that allows the bifocal lens to be an intregal part of the main lens and placed on the inside. Unless noted otherwise the lenses are smoke. The style is loved by most sports enthusiasts. The lenses are not only polarized but also 100% UV protected. Frame Measurements: 5 1/4" x 1 1/2" (temple to temple x height of lens)