Kaftan Styles varies. They come in different shapes depending on your choice.
Batwing sleeve patterned kaftan have been in vogue for quite some time now and it not planning to go out soon. Cowl neck style is also in vogue.
The good thing about this style of Kaftan is that it fits all sizes- whether you are a plus size or average size. Dolman sleeve patterned Kaftan is also trendy especially for slim ladies. They seems to love this style more. Elephant ear style kaftan is another style you can slay.
Which ever style you choose, kaftan dress style fits all.