Yes, they're good. Nice tint in the lens and decent wraparound protection, but the frames are a bit flimsy and can break easily at the hinge.
If you can contact Hugh Jardon on here (remember him?
![idea](https://www.rib.net/forum/images/smilies/brainbulb.gif)
), then he may be able to sell you some. He had a boxful a couple of years ago.