This is a costume that I put together, but it was never worn.
The jacket is Miley Cyrus/Max Azria brand. It is a size Med.
It measures 24" across the shoulders
24 1/2" sleeve length and 13 1/2" across the waist area.
It is 100% polyester
The "helmet" is 65% PVC and 35% Polyester.
This comes from a smoke-free home.