It can be hard to know what to wear to work on a 90 degree day, especially if your office blasts the AC like mine does. Some workplaces allow for extra casual attire in  the summer, but others expect that you still dress up and look professional. So how do you stay cool on your commute or lunch break (while soaking up some mid-day vitamin D, of course), but keep warm enough in the frigid office…all while dressing professional (and cute?!)? If you’ve ever struggled to put together the perfect summer outfit for work, then you’re in the right place! I’ve put together 5 fun, colorful, and comfortable professional summer outfits…