וְאַתָּ֗ה תְּדַבֵּר֙ אֶל־כָּל־חַכְמֵי־לֵ֔ב אֲשֶׁ֥ר מִלֵּאתִ֖יו ר֣וּחַ חָכְמָ֑ה וְעָשׂ֞וּ אֶת־בִּגְדֵ֧י אַהֲרֹ֛ן לְקַדְּשׁ֖וֹ לְכַהֲנוֹ־לִֽי׃
And thou shalt speak unto all that are wise-hearted, whom I have filled with the spirit of wisdom, that they make Aaron’s garments to sanctify him, that he may minister unto Me in the priest’s office.
Read kabbalistic (mystical) interpretation of Exodus 28:3: and classical mystical sources.