OK, I myself am not a comic book person. But I did really really love my Wonder Woman roller skates, so I feel entitled to weigh in on this important issue.
Wonder Woman should not wear leggings and a jean jacket. Unless she's fighting crime in a shopping mall in 1980s New Jersey. (Or possibly the less-fashionable parts of the South Side on a weekend night.)
Also, it has to be noted that the new getup gives her a very strong resemblance to the late Michael Jackson. Seriously, go look at the link and tell me I'm wrong!