Skip to main content Skip to footer content

Enjoy 15% off your next online order - SIGN-UP

Share Theory with friends + save - LEARN MORE

Free shipping + returns on all orders

NEW IN

Back
- Women
  - New Arrivals
- Men
  - New Arrivals
- Women's New Arrivals
  
  Shop Now
- Men's New Arrivals
  
  Shop Now
WOMEN

Back
- New + Now
- Clothing
- Accessories
  - View All
  - Shoes
- The Trouser Guide
  
  Shop Now
- September Edit
  
  Shop Now
- Theory Wardrobe
  
  Shop Now
MEN

Back
- New + Now
- Clothing
- The Trouser Guide
  
  Shop Now
- September Edit
  
  Shop Now
- Theory Wardrobe
  
  Shop Now
WARDROBE

Back
- Women's Wardrobe
  - Discover More
- Men's Wardrobe
  - Discover More
- Women's Wardrobe
  
  Shop Now
- Men's Wardrobe
  
  Shop Now
TROUSER GUIDE

Back
- Women's Trouser Guide
  - Discover More
- Men's Trouser Guide
  - Discover More

Sign In/Register

Email Address:

Password:

Remember Me

Forgot Password?

or

Back

Forgot Password

Forgot your Password

Provide your account email address to receive an email to reset your password.

Email Address:

Wishlist

New In

Back
- Women's New Arrivals
- Men's New Arrivals
Women

Back
- New + Now
  
  Back
- Clothing
  
  Back
- Accessories
  
  Back
  - View All
  - Shoes
- Last Chance
  
  Back
  - View All
Men

Back
- New + Now
  
  Back
- Clothing
  
  Back
- Last Chance
  
  Back
  - View All
Theory Wardrobe

Back
- Women's Wardrobe
- Men's Wardrobe
About Theory

Back
Last Chance

Back
- Women's Last Chance
- Men's Last Chance

Sign In/Register
Shipping to

Austria Belgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland France Germany Greece Hungary Ireland (Republic of) Italy Latvia Lithuania Luxembourg Malta Netherlands Poland Portugal Romania Slovak Republic Slovenia Spain Sweden USA

Search

× Clear

Sign In/Register

Email Address:

Password:

Remember Me

Forgot Password?

Back

Forgot Password

Forgot your Password

Provide your account email address to receive an email to reset your password.

Email Address:

First Name

Last Name

Confirm Email

Password

Confirm Password

Birth Date

Year

Gender

Female

Male

Email Preferences (select one)

Email me future promos and updates ¹

I do not want future promos and updates

¹By checking this box, you consent to receive emails about Theory's latest collections, exclusive offers, and special events. You may revoke your consent at any time by clicking unsubscribe at the bottom of any email from us. By clicking ‘REGISTER’ below you accept the terms of our Privacy Policy

Men's Shirts

Filter

Filter By

Colour

Sleeve Length

Fabric

Size

View Results (17)

Sort

Newest
Best Sellers
Price Descending
Price Ascending

Quick Add

~~Price reduced from to~~ £215.00

Irving Shirt in Stretch Cotton Flannel

~~Price reduced from to~~ £215.00

Size Added to Bag

Go to Bag

Quick Add

~~Price reduced from to~~ £155.00

Sylvain Shirt in Good Cotton

~~Price reduced from to~~ £155.00

Size Added to Bag

Go to Bag

Essential Duos: 2 for £240

Quick Add

~~Price reduced from to~~ £280.00

Hugh Shirt in Stretch Wool

~~Price reduced from to~~ £280.00

Size Added to Bag

Go to Bag

Quick Add

~~Price reduced from to~~ £145.00

Sylvain Shirt in Structure Knit

~~Price reduced from to~~ £145.00

Size Added to Bag

Go to Bag

Essential Duos: 2 for £220

Quick Add

~~Price reduced from to~~ £215.00

Sylvain Shirt in Striped Structure Knit

~~Price reduced from to~~ £215.00

Size Added to Bag

Go to Bag

Quick Add

~~Price reduced from to~~ £215.00

Irving Shirt in Stretch Cotton Flannel

~~Price reduced from to~~ £215.00

Size Added to Bag

Go to Bag

Quick Add

~~Price reduced from to~~ £155.00

Sylvain Shirt in Good Cotton

~~Price reduced from to~~ £155.00

Size Added to Bag

Go to Bag

Essential Duos: 2 for £240

Quick Add

~~Price reduced from to~~ £215.00

Irving Shirt in Striped Good Cotton

~~Price reduced from to~~ £215.00

Size Added to Bag

Go to Bag

Quick Add

~~Price reduced from to~~ £280.00

Hugh Shirt in Stretch Wool

~~Price reduced from to~~ £280.00

Size Added to Bag

Go to Bag

Quick Add

~~Price reduced from to~~ £155.00

Sylvain Shirt in Good Cotton

~~Price reduced from to~~ £155.00

Size Added to Bag

Go to Bag

Essential Duos: 2 for £240

Quick Add

~~Price reduced from to~~ £215.00

Irving Shirt in Striped Good Cotton

~~Price reduced from to~~ £215.00

Size Added to Bag

Go to Bag

Quick Add

~~Price reduced from to~~ £155.00

Sylvain Shirt in Good Cotton

~~Price reduced from to~~ £155.00

Size Added to Bag

Go to Bag

Essential Duos: 2 for £240

-15% OFF YOUR NEXT ORDER*

Sign-up to receive your exclusive welcome offer.
* Offer terms apply. Read our Privacy Policy here.

forms.newsletter.successresult

Customer Care

My Account
Track My Order
Shipping + Payments
Returns + Exchanges
Size Guide
FAQs
Klarna
* Promo T&Cs
Refer a Friend

About Theory

Our Story
Theory For Good
Store Finder

Phone + Live Chat
+44 1793 540656
Mon - Fri: 9:30am - 5:30pm GMT
Email

Collections

New Arrivals
Women
Men
Good Collection

Shipping to

Austria Belgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland France Germany Greece Hungary Ireland (Republic of) Italy Latvia Lithuania Luxembourg Malta Netherlands Poland Portugal Romania Slovak Republic Slovenia Spain Sweden USA

Customer Care

My Account
Track My Order
Shipping + Payments
Returns + Exchanges
Size Guide
FAQs
* Promo T&Cs
Klarna
Refer a Friend

About Theory

Our Story
Theory For Good
Store Finder

Contact Us

Phone + Live Chat
+44 1793 540656
Mon - Fri: 9:30am - 5:30pm GMT
Email

Information

Shipping to

Exclusions

Promo T&Cs

WELCOME OFFER
For new subscribers only. Discount will be applied when your unique promotional code is entered at checkout. Offer valid online at theory.com in the UK only. Offer not valid on sale, discounted or Theory Archive styles. Offer cannot be combined with any other promotional offer, redeemed for cash, or applied to previous purchases. Offer terms are subject to change.

REFER-A-FRIEND OFFER
Offer valid for one month from date of issue for friend referred, and four months for referee. Discount will be applied when your unique promotional code is entered at checkout. Offer valid online at theory.com in the UK only. Offer not valid on sale, discounted or Theory Archive styles. Offer cannot be combined with any other promotional offer, redeemed for cash, or applied to previous purchases. Offer terms are subject to change.

INFLUENCERS
Discount will be applied when the promotional code is entered at checkout. Offer valid in Theory retail stores and online at theory.com in the UK only. Offer not valid on sale, discounted or Theory Archive styles. Offer cannot be combined with any other promotional offer, redeemed for cash, or applied to previous purchases. Offer terms are subject to change.

ESSENTIAL DUOS + TRIOS
Choose two selected womenswear styles, or three selected menswear styles, in any size or colour to receive an additional discount. Discount will be auto-applied at checkout. Offer valid in Theory retail stores and online at theory.com in the UK only. Offer cannot be combined with any other promotional offer, redeemed for cash, or applied to previous purchases. Offer terms are subject to change.

SALE + OUTLET
Offer valid on selected styles in Theory retail stores, and at theory.com in the UK only. Offer cannot be combined with any other promotional offer, redeemed for cash, or applied to previous purchases. Offer terms are subject to change.

APPLE PAY OFFER
Discount will be applied when the Apple Pay payment method is selected at checkout. Offer valid online at theory.com in the UK only. Only available on Apple Pay compatible devices. Offer cannot be combined with any other promotional offer, redeemed for cash, or applied to previous purchases. Offer terms are subject to change.

Women's New Arrivals

Men's New Arrivals

The Trouser Guide

September Edit

Theory Wardrobe

The Trouser Guide

September Edit

Theory Wardrobe

Women's Wardrobe

Men's Wardrobe

Forgot Password

Forgot your Password

Men's Shirts