Hey it gets warm in that part of Eternia. Makes sense that the men were running about in their underwear all the time giving the audience a good, long look at their physiques. Practicality.

"That is true."

He did cut down on his possessions the further into his banishment he went. You soon learn that most things are luxuries more than necessities in times like that.

"I should hope that I will learn about such things as it pertains to colder weather."