Please upgrade your browser for the best Refinery29 experience. Read more.
We helped you piece together three infallible summer outfits last month, but if you're ready to graduate to something a little more advanced (we know we are!), we're here to tutor you to an A+.As anyone who's recently received a Save The Date knows, the pièce de résistance, when it comes to fashion math, is piecing together an appropriate outfit for summer wedding season. So, of course, we're here with the cheat sheet: We've found three outfits that can be mixed and matched to your heart's content, as long as you keep the factors constant. No need to reach for your pencils and scrap paper — just follow along with your brain as we sort out the most complicated of summer wedding conundrums.