וַיָּ֥שֶׂם אֶת־הַמִּצְנֶ֖פֶת עַל־רֹאשׁ֑וֹ וַיָּ֨שֶׂם עַֽל־הַמִּצְנֶ֜פֶת אֶל־מ֣וּל פָּנָ֗יו אֵ֣ת צִ֤יץ הַזָּהָב֙ נֵ֣זֶר הַקֹּ֔דֶשׁ כַּאֲשֶׁ֛ר צִוָּ֥ה יְהוָ֖ה אֶת־מֹשֶֽׁה׃
그 머리에 관을 씌우고 그 관 위 전면에 금패를 붙이니 곧 거룩한 관이라 여호와께서 모세에게 명하심과 같았더라
Rashi
וישם על המצנפת UPON THE MITRE … DID HE PUT [THE GOLDEN PLATE] — Threads of blue purple that were: fastened on the Plate he put over the mitre, consequently the Plate hung from the mitre mid would be “against his face” (upon his forehead) as stated here (cf. Rashi on Exodus 28:37).
Siftei Chakhamim
On the turban. See above in Parshas Tetzaveh (Shemos 28:37).