Answer:
The righ answer is, Vestirte.
* Para el mejor vuelo tienes que hacer estas dos cosas: tienes que vestirte cómoda y tienes que llevar capas.
Step-by-step explanation:
Because who narrates the sentence is referring to someone else, then we must identify the gender and number to be able to conjugate the verbs logically and that they have concordance with what is being expressed.