The army created several regulations: the hat was not allowed to be modified or cut whatsoever, and it had to be worn when outdoors at all times. The hat had also served to break up the recognizable outline of the soldier's head. It was made with cotton twill and was issued in olive drab, the standard colour of Australian combat uniforms at the time.
The army established several guidelines: the hat was not permitted to be altered or cut in any way, and it had to be worn when outside at all times. The hat also served as a means of obscuring the soldier's distinctive head shape. It was constructed from cotton twill and issued in olive drab, the standard color of Australian combat attire at the time.