Originally Posted by
WhyFi
Those are fine until you tuck down and have to look "up" to see straight ahead - that's the main aero advantage of the oversized glasses.
Depends where they sit on your nose. Mine sit high enough that they offer unimpeded vision down the road. Also because they're wraparound, the sun never peaks in around the edges, and I don't see the frames at all in my field of vision.