I've sold sunglasses and flown in the military and I'm an Airline Pilot. Over the years, I've tried Serengeti, Revo, Ray Ban, and a few others. These are the best overall sunglasses for driving or flying. In both cases, when you look down, you need to be able to see "inside" without having to take off your sunglasses. The shape of the Aviators causes the frame to almost completely disappear from your vision.
Pros: Photochromic, Gradient, Lens Color, Anti-reflective Coating, Shape...
This review was written in the old system and had content requirements that are different than reviews written today.