Launched in 1997 and currently under the design direction of Oliver Theyskens and Andrew Rosen, Theory has evolved from its style beginnings in contemporary work wear to a sophisticated and cool lifestyle brand. Sticking with its fit and flatter aesthetic, Theory creates styles made to last the test of time. Its collection of elevated day dresses are a favorite among all the categories. Loved for versatility, these styles are wearable for work and play. Theory also carries classic pantsuits, sweaters, tops and outerwear. Invest in the pieces you can wear forever.