It might make sense as a supervillain, but for an actor wearing something like that it must be a chore.
A costume that weighs 100 pounds, as the actor tells The IMDb Show, is no joke, it’s got to be difficult to move around in the thing, and visibility with that helmet has to be less than great.
While most of the big superhero outfits of the day, like the Iron Man suit, are now more CGI than actual costume, it seems that Aquaman decided to make the Black Manta suit the real thing, at least from a physical sense, it probably doesn’t shoot lasers.