Skip to main content Skip to footer content

Limited Time Offer on Suiting - 2+ Get 20% off* SHOP WOMEN SHOP MEN T&C Apply

Shop 2+ Selected Kelso collection get extra offer* SHOP NOW T&C apply

Buy More, Save More | Purchase two on-sale styles to enjoy extra savings. SHOP WOMEN SHOP MEN

Welcome Offer | Sign up to enjoy special offer on your first full-price purchase. SIGN UP NOW T&C apply.

New Arrivals

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

Back
- New + Now
- Clothing
  - View All
  - Pants
  - Blazers, Jackets + Vests
  - Dresses
  - T-Shirts
  - Tops
  - Skirts
  - Suits
  - Sweaters + Cardigans
- Bestsellers
- Sale
  - Sale
  - Last Chance
- Late Summer Edit
  
  Shop Now
- Dresses
  
  Shop Now
Men

Back
- New + Now
- Clothing
- Accessories
  - Hats, Gloves + Scarves
- Bestsellers
- Sale
  - Sale
  - Last Chance
- Late Summer Edit
  
  Shop Now
- Pacific Linen
  
  Shop Now
Limited Time Offer

Back
- Women
  - View All
- Men
  - View All
Sale

Back
- Women
  - Sale
  - Last Chance
- Men
  - Sale
  - Last Chance

Wishlist

Shop By

New Arrivals

Back
Women

Back
Men

Back
Limited Time Offer

Back
- Women
  - View All
- Men
  - View All
Sale

Back
- Women
  - Sale
  - Last Chance
- Men
  - Sale
  - Last Chance

Order Tracking
Store Locator

Clear

Sign In / Register

checkout

View my bag

Mens Last Chance

View All

Filter By

Three-Button Blazer in Cashmere-Blend Flannel

null ~~Price reduced from NT$ 24,600 to~~ NT$ 12,300

Buy 2+ Extra Saving*

Relaxed Pleat Trousers in Cashmere-Blend Flannel

Quick Add

Relaxed Pleat Trousers in Cashmere-Blend Flannel

null ~~Price reduced from NT$ 14,200 to~~ NT$ 4,250

Quick Add

Quarter-Zip Sweatshirt in Dynamic Wool

null ~~Price reduced from NT$ 12,900 to~~ NT$ 6,450

Buy 2+ Extra Saving*

Quick Add

Straight Pant in Knit Twill

null ~~Price reduced from NT$ 11,500 to~~ NT$ 5,750

Buy 2+ Extra Saving*

Relaxed Quarter-Zip Sweatshirt in Wool Bilen

Quick Add

Relaxed Quarter-Zip Sweatshirt in Wool Bilen

null ~~Price reduced from NT$ 10,700 to~~ NT$ 5,350

Buy 2+ Extra Saving*

Quick Add

Crewneck Sweater in Wool-Cashmere

null ~~Price reduced from NT$ 14,200 to~~ NT$ 9,900

Buy 2+ Extra Saving*

Quick Add

Quarter-Zip Sweatshirt in Dynamic Wool

null ~~Price reduced from NT$ 12,900 to~~ NT$ 9,000

Buy 2+ Extra Saving*

Quick Add

Parachute Puffer Jacket in Motion Down

null ~~Price reduced from NT$ 21,500 to~~ NT$ 15,100

Buy 2+ Extra Saving*

Quick Add

Relaxed Quarter-Zip Sweatshirt in Wool Bilen

null ~~Price reduced from NT$ 10,700 to~~ NT$ 5,350

Buy 2+ Extra Saving*

Quick Add

Ryder Long-Sleeve in Relay Jersey

null ~~Price reduced from NT$ 6,450 to~~ NT$ 4,500

Buy 2+ Extra Saving*

Quick Add

Hilles Quarter-Zip Sweater in Cashmere

null ~~Price reduced from NT$ 14,600 to~~ NT$ 7,300

Buy 2+ Extra Saving*

Quick Add

Parachute Puffer Jacket in Motion Down

null ~~Price reduced from NT$ 21,500 to~~ NT$ 15,100

Buy 2+ Extra Saving*

Join our mailing list for our latest updates and enjoy 15% off your first full price order. Learn more about our privacy policy here.

forms.newsletter.successresult

Customer Care

My Account
Track My Order
Returns & Exchanges
Shipping & Payments
Size Chart & Alterations
FAQs

About Us

About Us
Stores

Mon-Fri: 9am-6pm GMT (excluding holidays)
Email

Site Map

Exclusions

Customer Care

My Account
Track My Order
Returns & Exchanges
Shipping & Payments
Size & Alterations
FAQs

About Us

About Us
Stores

Contact Us

Mon-Fri: 9am-6pm GMT (excluding holidays)
Email

Legal

Terms of Use
Privacy Policy
Exclusions

Site Map

Exclusions

WELCOME OFFER
(1) Promotional Period: From April 1, 2024 until further notice. (2) Eligibility: Customers who successfully subscribe to Theory Newsletters during the Promotional Period (“Eligible Customers”). (3) Designated Store in respect of this Promotion: The new Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (4) How to enjoy this Promotion: Eligible Customers can enjoy 15% off on regular-priced products at Theory Online Stores (subject to the Excluded Products as defined below) (the “Discount”) by entering the promotional code at checkout. The promotional code would be sent, via email, to Eligible Customers upon successful newsletter registration. (5) General Terms and Conditions: The Discount only applies to the first order placed by Eligible Customers on Theory Online Stores. The Discount does not apply to the purchase of Theory Project products, Bundles and permanent/core items (the “Excluded Products”). The Discount cannot be used in conjunction with any other discounts, promotional offers and coupons (including but not limited to Theory VIP discounts/Theory VIP Birthday discounts, Credit Card Year-Round Discount and Theory CRM Coupons). The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.

BUNDLE PROMOTION
(1) Promotional Period: The Promotional Period is from 1 July, 2025 until further notice. (2) Designated Store in respect of this Promotion: Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can enjoy an additional discount upon purchasing, as the case maybe, 2 or 3 items of the same style (as may be designated by Theory from time to time) in any size or color (collectively the “Designated Items”) in one single transaction at Theory Online Stores (collectively the “Discount”). The Designated items, and the number of Designated Items required to be purchased to unlock the Discount, will be specifically marked on Theory Online Stores. Customers are required to add the Designated Items into bag to unlock the amount of the Discount. The Discount will automatically apply at checkout. (4) General Terms and Conditions: The Discount cannot be used in conjunction with any other discounts, promotional offers and coupons (including but not limited to Theory VIP discounts/Theory VIP Birthday discounts, Credit Card Year-Round Discount and Theory CRM Coupons). The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.

FINAL SALE BUY MORE SAVE MORE OFFER
(1) Promotional Period: The Promotional Period is from 26 June, 2026 to 31 August, 2026 (both days inclusive). (2) Designated Store in respect of this Promotion: Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can enjoy an extra 10% discount (the “Discount ”) on discounted items (to be selected/designated by Theory at its discretion) (the “Discounted Items”) upon the purchase of two discounted items (the “Purchase Threshold”), in one single transaction at any Theory Online Stores. The Discount will automatically apply at checkout. (4) General Terms and Conditions: The Discount only applies to the Discounted Items. Discount cannot be used in conjunction with any other discounts, promotional offers and ts/Theory VIP Birthday discounts, shopping mall loyalty program discounts, Credit Card Year-Round Discount and Theory CRM Coupons). The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. No exchange or return would be provided for products purchased with the Discount under this promotion. This promotional offer cannot be used in conjunction with Theory staff discount. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.

KELSO SPECIAL OFFER
(1) Promotional Period: The Promotional Period is from 1 August 2026 to 31 August 2026 (both days inclusive). (2) Designated Store in respect of this Promotion: Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can enjoy 25% off (the “Discount”) upon the purchase of two regular-priced Kelso items in one single transaction at any Theory Online Stores. The discount applies to regular-priced items only, and does not apply to any other products. The Discount will automatically apply at checkout. (4) General Terms and Conditions: This promotion only applies to regular-priced items, and does not apply to Bundles and discounted products. The Discount cannot be used in conjunction with any other discounts, promotional offers and coupons (including but not limited to Theory VIP discounts/Theory VIP Birthday discounts, Credit Card Year-Round Discount and Theory CRM Coupons). The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. No exchange or return would be provided for products purchased with the Discount under this promotion. This promotional offer cannot be used in conjunction with Theory staff discount. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.

LIMITED TIME SUITING OFFER
(1) Promotional Period: The Promotional Period is from 7 August 2026 to 23 August 2026 (both days inclusive). (2) Designated Store in respect of this Promotion: (i) Theory Online Store at hk.theory.com, tw.theory.com, sg.theory.com and au.theory.com (collectively “Theory Online Stores”). (ii) Theory Stores at Pacific Place, ifc mall, Lee Garden Two, Harbour City, New Town Plaza, Cityplaza (collectively “Theory Physical Stores”, together with Theory Online Stores, the “Theory Stores”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can enjoy an extra 20% discount (the “Discount”) on selected items of Jacket, Pants and Dress (the “Suiting Items”) upon the purchase of at least two items of Jacket, Pants and Dress (the “Purchase Threshold”), in one single transaction at any Theory Stores. The Discount will automatically apply at checkout. For the avoidance of doubt, the purchase of a set of Pants Bundles shall be counted as the purchase of one item only within the Purchase Threshold. The sets of Bundles in other categories are not counted in this promotion. (4) General Terms and Conditions: The Discount only applies to the Selected Suiting Items, and does not apply to any other items and discounted items (including but not limited to regular priced items and Bundles). Save and except shopping mall coupons and designated “Gift With Purchase” offers, the Discount cannot be used in conjunction with any other discounts, promotional offers and coupons (including but not limited to shopping mall loyalty program discounts, Credit Card Year-Round Discount and Theory CRM Coupons). Subject to these terms and conditions, items purchased under other promotions specifically designated by Theory would be included in the Purchase Threshold. The Discount cannot be transferred nor exchanged for cash or any other gifts or coupons. No exchange or return would be provided for products purchased with the Discount under this promotion. Theory reserves the right to amend these Terms and conditions without prior notice. Theory reserves the right of final decision in case of any dispute.