As tempting as it is to declare that there is a One True Design that would work best, what a lot of people don't understand is that in the real world there was an armour race happening alongside the arms race.
Weapons evolve to exploit the problems with common armour (and shields) of the time.
Armour responds to shore up those weaknesses, and incorporate new improvements in metallurgy.
Weapons shift again, and the styles employed adapt with them.
And so on. It's all about context. In Europe, as plate mail improved, shields gradually became less and less necessary, so they shrank over time from towers and kites, dwindling to the 'heater' style. Then guns came along and the heavy plate armour couldn't keep up while remaining practical so they stopped bothering. Now we have armour again, though it's radically different, and the heavy stuff that's great for stopping bullets is still cumbersome and vulnerable to knives and such...
tl;dr - fashion isn't the only thing that changes and goes through cycles.
But then, we're talking about battledresses here, practicality is already out the fucking window and it's strictly feels based.
Here's my feels on the matter: boobplate is excessively stupid, everything in this thread has problems that would make a professional armourer's blood pressure rise. Just go with something that looks vaguely practical while not being cheesecake.
You'll still be doing better than Hollywood's idea of 'hacking' or anything to do with IT.