I used a narrow panel (110cm) of what seems to be polyester fabric, which had been crinkled and dyed in diagonal stripes of red orange, orange and golden orange. I cut the front so the red orange would be close to my face and the golden areas further away.
This fabric is the sort where you can screw it up into a ball, and when you open it back out again it looks exactly the same, so could be quite useful for travel.
I've added my grandmother's brooch to the lapel as well as this also echoes the copper tones. Conservative but with a little twist of Ruthie colour.