Theory Underwear & Nightwear for Women

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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.
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Underwear & Nightwear
Basques
Bodysuits
Bras
Camisoles
Chemises
Pajamas
Panties
Robes
Socks & tights
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On sale
Seasons
FW25
SS25
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Aisha M.
Brava!Authentic new merchandise. Came right on time, and great prices! Straight from the epicenter of fashion, Italy! Love my Italist! Thank you!
Jeffrey F.
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.
Jan F.
Easy shopping & great priceThe site was very easy to navigate, I found exactly what I was looking for, placing my order was simple and the coat that I ordered was shipped and delivered within days, with duty included! This site will be one of the first places that I shop from now on!
Margarita C.
Italist reviewI am really happy with my italist purchases. The condition of the order and delivery time is top notch.
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