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Origin

Twenty years ago, a pair of pants changed the way American women dress. Recognizing the need for clothes that felt great and fit perfectly, we developed an innovative stretch fabric that would dramatically improve a pant’s performance. 

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These pants had the power to make women feel confident, smart, and stylish. Never before had American sportswear been so easy to wear to work and everywhere else. When Theory for men was established, similar foundation principles were used, so that they, too, could get dressed in innovative, highly functional, and stylish clothes. Watch award-winning filmmakers Jun Diaz and N + N Films's tribute to our 20-year history, New York City heritage, and vision for the future.

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Design Philosophy

We believe cool, expertly tailored pieces made from the best materials have the power to change the way we feel, improve the way we work, and inspire the way we live. At Theory, we strive to educate and empower all those who make us who we are. From Be Heard to Girl Up, our leadership initiatives and industry-based partnerships inspire us to act with integrity, nurture our community responsibly, and find innovative ways to live and work better. 

Fit

Our commitment to design, fit, and construction ensures exceptional comfort and quality. We source our materials from the best mills in the world and test every fabric for its hand-feel, durability, and design.Versatile, sophisticated, and easy to wear, our seasonal collections are designed with purpose.

 
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How we make our products is as important as what they are made of and their impact on the environment. We are especially proud that in addition to representing the exceptional quality that defines Theory, our newest fabrics are ethically sourced and developed in collaboration with fabric mills at the forefront of sustainable manufacturing. Our goal is for our signature fabrics to reach 100% traceability by 2025.