Dressing for a job interview is more about maintaining a professional appearance and showing that you’re serious about the position than it is about flaunting one’s sartorial eccentricities.
Dressing for the job interview

Dressing for a job interview is more about maintaining a professional appearance and showing that you’re serious about the position than it is about flaunting one’s sartorial eccentricities.
The first day at work I didn’t wear a tie. It didn’t occur to me at the time that I took a risk and could have made a bad first impression but, no one else wore one either.