They are Sub Zero #4 Robert.
The picture is a bit dark,but you can see that they have regular earstems, and not the Zero extended hammerfangs.
Nice buy man.
yea they do, i had the same exact style/color..... they are super light too and they give you really good coverage from light sneaking in from odd angles.
The Sub Zero 2n and 3n were similar in design to the #1 and #2 versions that had an opaque lensframe,with inset iridium lenses.
The rest of the sub zero range had the iridium finish over the entire lensframe.
The N2T used the same iridium finish lensframe,but had a etched line design in the middle of the lens that looked like a large X.
The N2T lens was used on both the Sub Zeros and the same lens was used on the 0.6 also. They didn;t use the 0.6 lens with teh line pattern added to it. I'm not sure how rare it is or which is more rare. I'm not sure out of both the 1-3 (full frame lens) or 1N-3N (circular lensed) to which are more rare. Perhaps the 1-3 being the originals.
Definitely is. It's also when oakley switched from the original logo to the first version of the boxxy O stretch logo then to the stretch logo as of a year or so ago before the neswest we have now. So you can get a Sub with any one of 3 logos on the earstem.