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.
Brand new and high quality
Material: Metal
Lens Material: 1.56 index Aspherical Lens
Lens Features: Transition Photochromic Gray Bifocal Lens
Lens Strength: +100 to +400 by Increments of 25,+450,+500,+550,+600.
Lens Color: Clear (indoor / in the car), Photochromic gray (under the sun)
Frame Color: Blue, Black, Gunmetal, Brown, Black and Silver
Gender: Men / Women
Size:
Lens Width:54mm/2.13''
Bridge Size:17mm/0.67''
Temple Length:140mm/5.51''
Lens Height:38mm/1.50''
Frame Width:137mm/5.39''
Package:1 pair of reading glasses