וְדָוִ֛ד מְכַרְכֵּ֥ר בְּכָל־עֹ֖ז לִפְנֵ֣י יְהוָ֑ה וְדָוִ֕ד חָג֖וּר אֵפ֥וֹד בָּֽד׃
און דוד האָט געטאַנצט מיטן גאַנצן כּוח פֿאַר גאָט; און דוד איז געװען אָנגעגורט אין אַ לײַנענעם אפֿוד.
Malbim
AND DAVID sacrificed his own honor for the honor of Hashem in three ways:
Radak
"And David danced before HaShem with all his might" - Danced with all his strength and concentration. And its targum is "praised."
Rashi
Linen robe. A linen robe, Foursaint in O.F. Yonasan translated, robe as Yonasan also translated "the robes of Tomor, the sister of Avsholom," robes (Further, 13:18)