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.
Sissy S.
Golden GooseExcellent service! The Golden Goose shoes I ordered arrived in about 4 days! From Italy to the US...amazing! I ordered two different sizes and had to return a pair and that process was easy and quick.
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!!!!!
dong k.
Excellent!Hero down jacket is the lightest of the products I tried, can be said to be the best!