Sue Storm has always sort of been an afterthought in terms of costume design, an unfortunate (and possibly unavoidable) byproduct of being only 25% of the vote on an otherwise male team. I can imagine the design meetings as one session of her getting overruled after another. "Sue, come on, you're invisible most of the time, who cares if you look like you're in an awkwardly tailored set of man's pajamas?!"
Anyway, I took a stab at a makeover for her. I added some technical goodies, figuring she'd need a good way to stay in touch with the team while she's scouting out the enemy formations. And while she's back there she might as well take some readings, shoot some guards, etc.
(Invisible Woman is © Marvel Comics, Inc.)