The Aristeia skin isn't actually that much more tactical/practical - her entire back is exposed because of the costume. The Infinity one has the same armour on the legs and stuff as the Aristeia one seems to, just with a bit more cloth over it all.
Hippolyta did indeed have a "magic girdle" --given to her by Ares -- It's the only detail that I did not make up. Exposed skin can always be painted as a body suit. Given that Hippolyta is an ALEPH construct, it would be a fitting way to paint her back etc.
I'm a huge fan, the jumping pose is pretty ace. The worst preorder mini IMO was Saito, the regular one was 10 times better