In reply to Gazlynn:
Hang on, you're forgetting the critical trouser component in this. Your above suggestions are all well and good paired with black trousers, but goes completely to pot otherwise.
Blue jacket and black trousers may well be grade three, but what about blue jacket and green trousers, probably about VIII or IX? And the black jacket, when paired with orange or yellow trousers is the sign of the true alpine elite.