Im no expert on this, as I have never succesfully modelled a thing in my life (respect to all who can)
I have however found, that a lot of people who do create clothing, usually add a morph target to the figure, that is sometimes named a fix... Probably a quick and nasty way of approaching the problem, but hopefully this will help....   

"If toast
always lands butter-side down, and cats always land on their feet, what
happens if you strap toast on the back of a cat and drop it?"

Steven Wright