Theory is an American clothing brand that specializes in high-end trousers. The label developed an innovative stretch fabric for its first women's pants and later applied similar technology to its men's collections. These simple, chic, functional designs are essential wardrobe staples.
Apply Filters to your selection for more specific results.
Customer stories
Join thousands of shoppers discovering the thrill of luxury finds at italist. Real reviews, genuine luxury, always at unmatched prices.
Aida M.
Best selection, excellent customer service.Best selection, excellent customer service. Very easy to shop around the website and easy returns.
Aisha M.
Brava!Authentic new merchandise. Came right on time, and great prices! Straight from the epicenter of fashion, Italy! Love my Italist! Thank you!
Yamile M.
Awesome experienceMy boyfriend loved his fendi shirt, fit just right and came in about a week! Will definitely order again!
Jeanie B.
Great customer service. You answeredGreat customer service. You answered any questions I had quickly. The merchandise shipped right out, and I received it in a very timely manner. I would definitely shop on the site again.