Frivolous, flimsy, flash-in-the-pan fashion? We're officially over it. Right now we're longing for something with substance, for trend-proof styles with serious staying power. Enduringly elegant numbers from noteworthy up-and-comers Jenni Kayne and Rachel Roy are just what we need to shake us out of our fashion funk, while Brian Reyes's ruffled shift makes a compelling case for love at first sight. And Calvin Klein? Well he pretty much wrote the book on time-honored classics with an untraditional twist. The styles you'll love now and forever? Find them right here, at the Designer Boutique.