Theyskens' Theory is a collection by Belgian designer Oliver Theyskens, incorporating the daring vision that has made Theyskens one of the most acclaimed designers of his generation, and the chic sophisticated sensibility that makes Theory a wardrobe staple for fashionable women everywhere. Full of fluid, romantic pieces with Theory's signature quality tailoring and clean silhouettes, Theyskens' Theory is ubiquitous cool for individual style.