They were a really nice pair too...maui jim stingray...had them for a couple years...very solid and just awesome...
Kept a close watch on the too but just happened to turn my back on them at just the right moment and yoink >_<
At least it happened at a time when I could budget my money around getting a new pair of glasses...got a much cheaper replacement that still feels ok enough for me to tolerate. Tried a number of supposedly high quality glasses that just felt so very very flimsy and cheap...
Moral of the story: Never let anything out of your sight. Ever.
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There is no shame in not knowing; the shame lies in not finding out