Naked - That is, without his robe and other outer garments, but only his tunic. Compare the related verses.

This entire account provid…

And he stripped off his clothes also, and prophesied before Samuel in like manner. This was certainly not the first time …

And he stripped off his clothes also
Not all his clothes, but his upper garments, as men in such circumstances used …

Michal's stratagem to gain time until David got to a distance was allowable, but her falsehood did not even have the plea of necessity to excuse it…