“Ask your LOR if they are pritzus or Da’as Yehudis in your community. Those are the reasons why it may be Assur.”
gaw, seriously? You’re uncertain whether sleeveless and/or a miniskirt is pritzus/assur for every Jewish woman everywhere?!
LB: Sitting, walking, going up stairs or getting into a car is no different than standing. If it must be covered while standing, by definition, it must be covered while sitting or any other movement. The point is that it must *always* be covered in public or when in the presence of non-family men.