The Mongomery Sunglass Reader is a large lens style that comes in four color choices. The medium brown tortoise is shown in the large photo above. Th dark brown tortoise is shown in the smaller photo. The black has a beautiful clear and black temple, and the clear frame has a dark brown tortoise temple. All four choices are dynamic. The lenses are 100% UV protected. The frame has a spring hinge for a flexible and comfortable fit. Frame Measurements: 5 1/4" x 2" (temple to temple x height of lens)