Sam 2 said:
A) please, tell me, (other than calling them nasty and immodest), what is wrong Halachically with loose pants?
B) My Rebbe told me that the reason women can’t wear pants is because it shows the separation of the legs. Which is fine. So I would be uncomfortable saying that a girl can wear even very loose pants.
Shlishi agrees the Poskim are worried about it.You Sam 2 was the one who asked for additional concepts,- but maybe it will help the ones who really want to learn.