Doing things that you are not supposed to do at work makes your vision, hearing and alertness much better.
The Exec will create an illusion that people can't see you. Don't worry they will see you. They will also be pretending not to see you. Remember the phrase "Demand Respect and Authority" these resonate that lifestyle and will never clash with your gear. People might not talk to you on the street but they sure will listen!
Frame Width: 5.43in (Merika) // 138mm (Metric)
Frame Height: 2.28in (Merika) // 58mm (Metric)
Nose Opening: 1.29in (Merika) //33mm (Metric)