Wear dress shoes or loafers with dark socks.
Every male needs a solid black or dark navy suit.
Long-sleeved dress shirt, with a conservative tie.
Dark or gray pants, with a belt that is appropriate for the pants.
A sports coat if you have one.
Be sure your nails and hair are trimmed and neat.
Ties should be made of silk or a silk-like fabric and coordinate with your jacket and pants,
but contrast with the color of your shirt.
Minimize jewelry. Avoid a necklace.
Wear no more than one ring per hand and a dress watch.
Cologne should never be strong. A fragrance can cause an allergic reaction or
offend the interviewer(s).