Originally Posted by
EN48
Did all that and my take is that if your Drivers have a brown gradient lens, they are not polarized. Right?

Nope. Drivers Polarized have a 'versatile brown lens' but they are, surprise, surprise, polarised.
Actually, I've just re-read your post above:
Originally Posted by
EN48
This seems to imply three brown lens choices (for Drivers): 1) non gradient, non polarized; 2) gradient, non polarized, and
3) non gradient, polarized.
If I have this right, all gradient lenses are non polarized. But, not sure that I have this right!

Why do you think that the '3) non gradient, polarized' lenses aren't polarised?