Attached Link: http://market.renderosity.com/softgood.ez?ViewSoftgood=39016

Here is a whole character pack that includes a similar type garment to what you are looking for. This one has a long sleeve though. However, you might be able to fix that to what you need. You also might try Poser World. They might have something there.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi