And the king of Israel said unto Jehoshaphat, I will disguise myself, and enter into the battle,.... Change his clothes, his royal robes, and put on others, perhaps the habit of a common soldier; having, it may be, been informed by some deserters or spies, of the design of Benhadad against him.
Abarbinel thinks the meaning is, that he would clothe himself with a coat of mail, and take to him the each of the instruments of war, and so go into the battle secure; this seems probable from 1Ki 22:34 and this he might do to elude the prophecy of Micaiah:but put thou on thy robes; his royal robes, or rather keep them on, that he might appear to be the chief commander of the army.