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.
Anastasia F.
Best prices and fast shipping from italistFast shipping, very easy website interface and very helpful chat. My YSL sandals were delivered in less than two days.
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!
Tamara J.
RecommendedI love shopping with italist. Best brands, wide range and reasonible prices.
Plus shipping is fast and well packed.