Pros :
- A great revolutionary lens optics that are built on decades of research
- It does provide a control of light transmission which really give precise color tune
- It does improve your maximize contrast and even enhance visibility
- It does allow you to track your performance and coaches you with the use of its real-time voice activated coaching system
- It helps take care of your lenses
Cons :
- With a cost of $499 of a sunglasses it is surely expensive