I tried on a short and regular and both gave me a weird balloon shape to my calves. (torrid.com)
So a team at the Swiss Federal Institute of Technology and Disney Research, both in Zurich, have taken desired 3D shapes and calculated what empty balloon shape should be needed to produce the inflated - balloon design. (newscientist.com)
You can see different styles and cuts in the sleeves of these abayas like A-line sleeves, balloon shaped sleeves, sleeves with frills, butterfly cuts etc.. (latestasianfashions.com)