Zenni has just launched new Transitions Gen S lenses that are designed to be worn when it is cloudy, sunny or somewhere in between. And no, these are not the old school transition lenses that ...

More:Elevate your running gear with Zenni's new Zunnies eyewear collection Zenni Transitions Gen 8 lenses use cutting-edge photochromic technology for quick ... Zenni Optical is a leading global ...