The heavily mechanical aspect seems like the most notable element to focus on, which makes sense when we consider that Miller and Hammer would’ve needed to convince audiences that this human could stand toe-to-toe with all-powerful beings like Superman and Wonder Woman.
In typical George Miller fashion, it seems that the outfit would’ve been incredibly practical and tactical, with many moving parts that Armie Hammer could interact with and utilize.
I don’t know about you, but I would pay top dollar just to see a picture of what that Batman exoskeleton would look like on the big screen.