This model was heavily trained without any other tags than "Sverigedrakten". This makes the model unpredictable. Try to tune the model weights down between 0.6-0.8 for better results.
Also other keywords and models will be affected by this model if used at the same time. Try to use after detailer or image 2 image in order to make your subject wear the dress correctly.
Sverigedräkten is a traditional swedish dress used during the swedish national day (6th of June) and midsummer.