Edna Mode: It is completely indestructable, yet it breathes like egyptian cotton.
Mrs. Incredible: Now our kids are in danger?
Mr. Incredible: Hey if you suspected danger why did you bring the kids?
Mrs. Incredible: I didn't bring them, they stowed away, and I don't think you're striking the proper tone!
Bob Parr: It's OK kids, we were just having a discussion.
Violet Parr: Pretty loud discussion.
Mirage: Hello, Mr. Incredible. Yes, I know who you are. In fact, we have a lot in common. According to the government, neither of us exists.
Bob Parr: Shut it down, do it quickly, don't destroy it.
Mirage: Oh, and don't die.
Chosen answer: If any object can move across the water quickly enough, the weight isn't transferred completely. In some Scandinavian countries, they actually DRIVE very quickly across water in adapted vehicles. If the character of Dash could actually run that fast, it is feasible and possible for him to run on the water's surface.
GalahadFairlight