Theory is a New York based men's and women's designer brand founded in 1997 by Andrew Rosen and Elie Tahari. The contemporary fashion label offers clothing and accessories with a sleek, timeless aesthetic with classic ready-to-wear wardrobe staples. Fusing minimalism high-fashion, Theory features a collection of silk shirts, dresses and t-shirts in classic block hues. Style elegant blazers, edgy biker jackets or oversized coats from this season with fitted trousers and jumpers.

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