Ah, the drape!
Inspired by an image that I had seen in a fashion magazine (can't keep track of which one anymore, as I am constantly on the lookout for inspiration. This is made with a very thin poly knit fabric.
B3467 View A (modified). I added the "cowl" around the neckline and just guessed at the drape and then sewed it down to the top. This also looks good with a thin belt.