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Pants, Perfected
Precise tailoring. Exceptional fabrics. For over two decades, our in-house atelier has perfected our range of pants. The result is an impeccable edit of styles ready to take you wherever you need to go.
The Treeca Pull-On Pant in Good Linen
Our signature cut in its most breathable form.
Cropped hem
Elasticized waist
Side pockets
Treeca Pull-On Trousers in Good Linen
Treeca Pull-On Trousers in Good Linen
The Classic Straight Pull-On Pant in Good Linen
A modern silhouette reimagined in summer's essential fabric.
Straight leg
Ankle length
Creased front
Classic Straight Pull-On Trousers in Good Linen
Classic Straight Pull-On Trousers in Good Linen
Classic Straight Pull-On Trousers in Good Linen
The Vented Pull-On Pant in Washed Stripe
A new take on comfortable, versatile tailoring.
Pull-on waist
Split hem
On-seam pockets
Vented Pull-On Trousers in Washed Stripe
The Classic Straight Pant in Good Wool
The utmost professional.
Straight leg
Ankle length
Creased front
Pleated Wide-Leg Pant, 30'' in Admiral Crepe
Pleated Wide-Leg Pant, 30'' in Admiral Crepe
The Wide-Leg Pull-On Pant in Admiral Crepe
Enhanced comfort with a smooth finish.
Wide leg
Full length
Soft drape
Wide-Leg Pull-On Trousers in Admiral Crepe
Wide-Leg Pull-On Trousers in Admiral Crepe
Wide-Leg Pull-On Trousers in Admiral Crepe
The Flared Pant in Good Wool
An elongated silhouette with just the right kick.
Flared leg
Two inseam options
Mid rise
Flared Trousers in Good Wool
Flared Trousers in Good Wool
The Fluid Flare Pant, 30" in Good Wool
Tailored to flow with your every step.
Full length
Flared hem
All-season weight
Fluid Flare Pant, 30'' in Good Wool
Fluid Flare Pant, 30'' in Wool Gabardine
Exclusions
(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. 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.
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. 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.
GOLDEN WEEK PROMOTION
(1) Promotional Period: The Promotional Period is from 27 April, 2026 to 5 May, 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 the following discounts (collectively the “Discount”) upon meeting the following designated spending threshold in one single transaction at Theory Online Stores: (1) NT$2,500 off upon a single net spending of NT$18,400 on any designated full-priced products (collectively the “Designated Products”); and (2) NT$5,300 off upon a single net spending of NT$28,500 on any Designated Product. The Discount will automatically apply at checkout. (4) General Terms and Conditions: The Discount applies to the Designated Products only. 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. 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.