What is the HGU4/P Military Aviator?

We wanted to make a difference. Leave a mark. Be proud of something.

So in 1978, we joined forces with the U.S. military to produce the HGU-4/P Aviator for fighter pilots. Each Aviator is still built to the strict guidelines of MIL-S-25948J standards, a 20-page document detailing the most demanding, complex manufacturing specs around. The HGU4/P was officially recommended by army optometri