This full-body suit fits like a very comfortable glove. You can see through the material well enough, and it doesn't get hot when you're running around filming a movie (surprisingly).
Bought these for my wife, love them but don't forget a garter belt or they don't stay up. Wear them with black heels and they look like very sexy boots.
I bought this to do a fun run ... haven't done the run yet, but the costume is adorable so I've already worn it. true to size -- I ordered my normal size and it fits great.