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.
Tracey V.
Quick Shipping, Quality ItemI had a very positive experience ordering an Isabel Marant skirt, delivered quickly, well packaged. Would def. shop again!
Jordann F.
Great purchase for concertA little edgy Parisian and a lot of quality style. The Isabel Marant tee was perfectly cool and comfortable paired with the cross body Moncler bag which was a great choice for hands free dancing to Coldplay. And both pieces were on sale!!!!!
Rachel N.
Fast service, great priceI still can’t believe how quickly I recieved my order (I’m starting to think Italist has a warehouse in my backyard)! Gorgeous item, excellent price. I will definitely order here again!
Lashay G.
Kenzo T-shirtThe T-shirt was actually an gift for my boyfriend which he loved lol! Shipping and everything was great! It came so fast i was Actually shocked ! I ‘d definitely be ordering from this site again