The rules of what to wear to work have changed - here's what they are now

The rules of what to wear to work have changed.

It's still a necessity to wear a suit to work if you're in more conservative industries.

But with the landscape continually changing in other, less-conservative industries, it's important to know that the rules have also changed.

So can you wear a hoodie to work? How do you stay casual but still look professional?

We've talked to some retail start-ups and an image-consulting expert to figure out how to navigate workwear today.