Your clothing should reflect your industry, your corporation, and your character and integrity.
So in other words, your clothing should fit the occasion.
We are moving from a very relaxed style of dress to a more formal style of dress today. You will start seeing more men in suits.
If your clothing is too casual it will give the appearance that the information is not very serious.
You are a walking business card for yourself. Make sure your business card is reflecting your true character and integrity.