Popsugar Fashion Summer Fashion Best Summer Work Dresses 19 Summer Dresses That Are Cool, Comfy, and Perfect For the Office 3 July 2019 by Krista Jones View On One Page Photo 5 of 19 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Reformation Cosa Dress This Reformation Cosa Dress (£255) comes in two other prints. Reformation Cosa Dress £255 from thereformation.com Buy Now Previous Next Start Slideshow Summer FashionShoppingShoppableWorkwearDressesSummer