As Dead or Alive 5 developer Team Ninja explained last month, the upcoming fighter will show character clothing changing over the course of the fight.
http://kotaku.com/5906568/dead-or-alive-5-to-feature-see+through-shirts
Sweat, it seems, can make shirts see-thru; however, this recent batch of game screens just shows character clothing getting down and dirty.
Dead or Alive 5 will be out this September.
