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!!!!!
Allwyn M.
Great pricing, Great PackagingProduct is 100% genuine , shipping is excellent my goods arrived to Canada in 3 days very well packaged. I did not have to pay any extra cost. Will not be shopping any other sites.
mindy s.
Fast deliveryLove my purchase! Shoes were sold out everywhere! So glad you could get them. Fast delivery,