Regardless of Age, everyone is free to express themselves in any way they like.
There is a mystery surrounding why this older adult is dressed in a dress, and the only person who can unravel the enigma is the man himself. It’s possible that he was just trying to shake things up or taking a dare to see if he could come out on top. Both of these explanations are plausible.
In any event, he possesses a visage that bears a startling resemblance to the sort of person one might anticipate seeing in a Walmart. After all, he appears to have a good sense of style; therefore, it is possible that he was simply showing off for the sake of showing off, which is something that none of us are in a position to assess.