Quote Originally Posted by Chas View Post
When I was in the Royal Air Force, our berets came with a fibreboard backing as standard.
in the 1966/73 period my RAF beret had a stiffener that was like the stuff they used to make old circuit boards from. It was not fiber and it was not plastic, but had a feel of something in between. I actually thought that someone had taken an old radio apart and cut a piece of circuit board for it.