Founded in 1997 by designer Elie Tahari and Andrew Rosen, Theory is renowned for a pure aesthetic and fresh silhouette, with an eye for clean, crisp lines attracting avid fans among the sartorial elite. The epitome of minimal design, this collection of strong, ultra-modern pieces exudes an ageless elegance that transcends seasons. Look for tailored blazers, sleek pants and a pared-back color palette - all with a slick downtown edge. Understated separates like shirts and long-sleeved blouses exude classic appeal, while pencil skirts and cropped pants make a sophisticated choice for the office.