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1.
Attire worn by former military personnel and/or security contractors. Generally consisting of high end hiking books, cargo khaki of various colors, and a tucked in polo shirt or button-down shirt with a vent system. Pockets to hold various weapons (I.e. Knives and cell phones) are a must.
Bob: Look at that guy. He must be some sort of archeologist.
Norm: No. That's Tom. He has to go train some Marines today. After getting out of the Army, he traded in his uniform for business tactical.