Please note: transition means the color can transit from clear to dark gray not means bifocal or progressive. The stronger of the sunlight, the darker of the lenses will be. The lenses can't change color indoor or in the car.

Specification: Material: Metal Frame Color: 4 colors available, please refer to the pictures in showcase. Lens Color: Clear (indoor / in the car), Photochromic gray (under the sun) Lens Strength: 0,+100 to +400 by Increments of 25, +450 to +600 by Increments of 50. Lens Features: Transition Photochromic / UV400 Gender: Women Size: Lens Width: 54mm/2.13'' Lens Height: 33mm/1.30'' Bridge Size: 17mm/0.67'' Frame Width: 141mm/5.55'' Temple Length: 140mm/5.51'' Package Includes: 1 Reading Glasses