Disturbing instances of expensive, supposedly reputable sunglasses failing to adequately filter harmful UV radiation are not rare, nor the converse; $5 sunglasses that test far better than the $250 kind.
The problem is, how do you know which is which?
You don't. That's what we like about these: they were developed by American Optical to meet the exacting specifications of the U.S. Air Force (MIL-S-25948J).
They don't cost $250, or $175. They cost $98.
Buy them at the Fort Knox PX or from us. Either way, you can stop worrying.
You've got the best.
Fort Knox Sunglasses Polarized (No. 2932).
Dimensions: Frame height: 1 7/8" x Frame width: 2 1/4". Size : 57mm.