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.
Essence M.
Versace shirtPurchase a man Versace sweatshirt and the quality of the shirt was beautiful .. very impressed and will buy again
Alban M.
Best pricesI like your prices and very large selections on designer brands.
I don’t really know how I found your website but I’m so happy that I ran in to it and I do use it all the time.
Very compatible with Farfetch.
Italian and Farfetch are my favorite online shopping places.
Andrea A.
Love the authentic Stella McCartneyLove the authentic Stella McCartney bag — well priced and came quickly without shipping costs!
Mehrnoush K.
My lovely Gucci pumpI love shopping from italist, reliable , variety, fast shipping and great customer service. Thank you iitalist.