Reply To: Signs in BP regarding Tznius (Skirts that fall 4" below the knee). Home › Forums › Decaffeinated Coffee › Signs in BP regarding Tznius (Skirts that fall 4" below the knee). › Reply To: Signs in BP regarding Tznius (Skirts that fall 4" below the knee). May 11, 2011 10:53 am at 10:53 am #767650 apushatayidParticipant I’m glad I wear pants.