/ Theory

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.

Filters

Shirts

Refined by

Clear All

Shirts

Sort — Our Picks

Join thousands of shoppers discovering the thrill of luxury finds at italist. Real reviews, genuine luxury, always at unmatched prices.

Quick Shipping, Quality ItemI had a very positive experience ordering an Isabel Marant skirt, delivered quickly, well packaged. Would def. shop again!

my lucky find!i came across the site occasionally, and i did a bit of research to read more about them, feedback was good and i decided to give it a try. i placed my first order for BV espadrilles, and they arrived in 2 days, well packed and absolutely perfect! then i ordered a Balenciaga bag for my birthday, and again, it arrived in 2 days and package was amazing! now i am thinking of my next order, and i know i will be returning again... great job, guys! thank you!

A wonderful shopping experience!So many times I’ve seen items of interest on italist and I finally decided to purchase some amazing Prada boots that I’d never seen elsewhere. They shipped here in a flash and they are superb! I will definitely be back for more beautiful items.

I received my new pairI received my new pair of hogan shoes!!!!! I love it!!!! Super customer service!!!! Thank you italist team!!!!!

Shop now