All perfect praise be to Allaah, the Lord of the worlds. I testify that there is none worthy of worship except Allaah and that Muhammad, sallallaahu ‘alayhi wa sallam, is His slave and Messenger.
There is no blame on a woman for wearing loose pants that are specifically for Muslim women in front of women and her Mahram (permanently unmarriageable kin) men.
Allaah Knows best.