When Mordecai learned of all that had been done, he tore his clothes, put on sackcloth and ashes, and went out into the city, wailing loudly and bitterly.
References for Esther 4:1
But he went only as far as the king’s gate, because no one clothed in sackcloth was allowed to enter it.
References for Esther 4:2
In every province to which the edict and order of the king came, there was great mourning among the Jews, with fasting, weeping and wailing. Many lay in sackcloth and ashes.
When Esther’s eunuchs and female attendants came and told her about Mordecai, she was in great distress. She sent clothes for him to put on instead of his sackcloth, but he would not accept them.