/ 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

Sweaters

Refined by

Clear All

Sweaters

Sort — Our Picks

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

I love my Fendi capI love my Fendi cap & was surprised at the speed with which it was delivered, much quicker than I expected. Also appreciated the ease of use. I would definitely shop with you again.

The application is very good,The application is very good, the ordering process is very easy.The parcel arrived quickly and accurately.I have made other purchases before and everything went fine.I hope to buy from the site again.

Love the authentic Stella McCartneyLove the authentic Stella McCartney bag — well priced and came quickly without shipping costs!

Great product/great price/great serviceI love shopping at italist . The product range is extensive, high end and very reasonably priced . I always receive my new buys very quickly in the mail so an all round great experience:-)

Shop now