Updated 15th June 2025
2 Ratings. Average 3 out of 5 stars
Unlock 15% off your first order at Theory and discover stylish essentials that elevate your wardrobe. Don't miss out on this exclusive offer!
Take advantage of a savings opportunity of up to 20% on the fashionable Blouson Zip Jacket in Foundation Twill from Theory for a stylish update to your wardrobe.
Erhalten Sie €75 Rabatt, wenn Sie bei Theory für über €350 einkaufen und Ihre Garderobe mit modischen neuen Stücken auffrischen.
Elevate your fashion with a stylish leather slipper from Theory available for only €315.
Experience the ultimate combination of comfort and style with the Boxy Tee in Linear Cotton from Theory, available for only €260.
Experience the ultimate fusion of comfort and elegance with Theory's straight trousers, fashioned from premium linen-viscose, available for €340.
Explore the fashionable Mini Circle Bag in Raffia from Theory available for only €290, a perfect accessory to enhance any ensemble.
Experience the perfect blend of comfort and style with the Curtis Drawstring Trousers in premium linen from Theory, ideal for any informal event.
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Here are some great tips & tricks for extra savings at Theory:
Theory accepts VISA, Mastercard, American Express, Discover Card, Apple Pay, Klarna, UnionPay, Alipay, and PayPal.
Please click on the flag icon at the top of the Theory homepage to view the countries that they ship to.
Once an order is placed, they are unable to modify or change the address. If within policy, they can attempt cancellation (see above). Please note that they do not guarantee the modification of any order. All purchases should be reviewed carefully before being submitted.
If placed during Monday-Friday for Theory’s business hours of 8 a.m.–7 p.m. ET, they can attempt to cancel domestic orders within 1 hour. Please call Theory Client Service at 877.242.3317 immediately. They do not guarantee the cancellation of any order. Please note that they are unable to cancel international orders.
Theory will accept return merchandise in its original and unused condition, provided that all tags are attached and accompanied by an original receipt within 30 days of purchase. Gifts purchased on Theory may only be returned for store credit or exchanged within 60 days of the original purchase.
Phone +1 877 242-3317
Still looking for more tips whilst online shopping? Head over to our blog for more.
Theory believes 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. They source their materials from the best mills in the world and test every fabric for its handfeel, durability, and design. They developed an innovative stretch fabric that would dramatically improve a pant’s performance. These pants had the power to make women feel confident, smart, and stylish.
Theory for men was established with similar foundation principles that were used in women so that they, too, could get dressed in innovative, highly functional, and stylish clothes. They are committed to making a positive impact on the people who wear their clothes.
About Theory Homepage
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