Finally there is an affordable reader that transitions from clear to gray for indoor/outdoor reading. This feature is normally very expensive, but now you can find a reader that you can use all day. The Sun Coast frame comes in black or tortoise and has a spring hinge for a comfortable and flexible fit. The lenses are 100% UV protected. Frame Measurements: 5 1/8" x 1 5/8" (temple to temple x height of lens)