וַיְהִ֤י דָוִד֙ בָּ֣א עַד־הָרֹ֔אשׁ אֲשֶֽׁר־יִשְׁתַּחֲוֶ֥ה שָׁ֖ם לֵאלֹהִ֑ים וְהִנֵּ֤ה לִקְרָאתוֹ֙ חוּשַׁ֣י הָאַרְכִּ֔י קָר֙וּעַ֙ כֻּתָּנְתּ֔וֹ וַאֲדָמָ֖ה עַל־רֹאשֽׁוֹ׃
And it came to pass, that when David was come to the top of the ascent, where God was wont to be worshipped, behold, Hushai the Archite came to meet him with his coat rent, and earth upon his head.
Read midrashic interpretation of II Samuel 15:32: and classical rabbinic exegesis.