To change into is to put on other clothes, or to become something else. Change into something dry.
The clothes sense takes into and the transformation sense does too, which is why context does the work. A caterpillar will change into a butterfly, and so does everything else in that sentence pattern.
1phrasechange intoTo put on other clothes, or to become something else.
“Go and change into something warmer before we leave.”
change into is a phrase.
Practised in Phrasal Verbs