I use two pair of polarized sunglasses for fishing.

One pair is for bright conditions and the other is for low light conditions.
I fish 99% of the time over rocky stream beds. Copper or amber colored sunglasses seem best for this.
When the light is low, copper or amber may be a little dark, so I use a yellow colored lens.

I wear Costas. Both are Zane frames...I have a big noggin. One has the green mirror (copper/amber colored) 580G lenses and the other pair has the Sunrise (yellow) 580P lenses.