It isn't the first time Goku cross-dressed, see how comfortable he is in women's clothes.

Hirushoten said:

It isn't the first time Goku cross-dressed, see how comfortable he is in women's clothes.

he's so dense that he doesn't understand culture, sex, religion and all that; all he know is to fight

sabitafukku said:

he's so dense that he doesn't understand culture, sex, religion and all that; all he know is to fight

Goku is somewhat dense but more ignorant to everything else besides fighting

Hirushoten said:

It isn't the first time Goku cross-dressed, see how comfortable he is in women's clothes.

Iirc, it's not. In an early arc of Dragon Ball, he disguises himself as a girl at Bulma's urging to lure out Oolong. It lasts until he starts peeing on a tree.

These costume switches all work surprisingly well.