Theory is a New York contemporary fashion brand founded in 1997 by Andrew Rosen and Elie Tahari, owned by Fast Retailing, and known for minimalist workwear and stretch-wool tailoring.

Theory is the office uniform of quiet luxury: sharp trousers, blazers and cashmere in black, navy and neutrals, with no branding at all. Its Good Wool tailoring is reliable and machine-washable, and its cashmere is an accessible mid-tier option.

What is Theory known for?

  • Good Wool trousers
  • Tailored blazers
  • Cashmere crewnecks

Key materials: stretch wool, cashmere, linen. Categories we cover: tailoring, knitwear, basics, outerwear.

Is Theory quiet luxury?

Yes. Theory is one of the clearest examples of quiet luxury: its core products carry no visible branding, and their value lies in materials and construction.

On our Quiet Luxury Index, Theory scores 80 out of 100:

Restraint
Materials
Craft
Longevity
Value

How much does Theory cost?

Trousers roughly $250–$350; cashmere roughly $300–$500. Theory sits in our Premium tier: contemporary labels with genuinely good materials. Prices are approximate US retail and vary by region and season.

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What should you watch out for?

Full price is high for the category — the brand discounts often.

Is Theory on Instagram?

Yes. Theory’s official account is @theory__, with 498,000 followers and 3,687 posts as of October 2026, ranking it #25 of 39 quiet luxury brands we track.

Which brands are similar to Theory?

Vince (Premium, Index 80). A softer, more relaxed take on American minimalism.

Toteme (Premium, Index 83). More fashion-led minimalism at a similar price.

Canali (Luxury, Index 86). For men, Italian-made tailoring one step up.

See all brands like Theory →

Compare: Theory vs Vince

Theory at a glance

Founded1997
FoundersAndrew Rosen and Elie Tahari
OwnerFast Retailing
Based inNew York, United States
ForWomen, Men
Price tierPremium
Index score80 / 100
Official sitetheory.com

Frequently asked questions

What is Theory known for?

Theory is known for Good Wool trousers, Tailored blazers and Cashmere crewnecks. Theory is a New York contemporary fashion brand founded in 1997 by Andrew Rosen and Elie Tahari, owned by Fast Retailing, and known for minimalist workwear and stretch-wool tailoring.

Is Theory quiet luxury?

Yes. Theory is one of the clearest examples of quiet luxury: its core products carry no visible branding, and their value lies in materials and construction.

Where is Theory from?

Theory is based in New York, United States, and was founded in 1997 by Andrew Rosen and Elie Tahari.

Who owns Theory?

Theory is owned by Fast Retailing.

How much does Theory cost?

Approximate prices: Trousers roughly $250–$350; cashmere roughly $300–$500. Prices vary by region and season.

How many Instagram followers does Theory have?

Theory’s official Instagram account, @theory__, had 498,000 followers as of October 2026.

What brands are similar to Theory?

Brands similar to Theory include Vince, Toteme and Canali. A softer, more relaxed take on American minimalism.