Limited Time Offer on Pants - 2+ Get 20% off, 3+ get 25% off* SHOP WOMEN SHOP MEN T&C Apply
Login before checkout to check if any member coupons are available in your account. Eligibility may vary. LOGIN NOW
Welcome Offer | Sign up to enjoy special offer on your first full-price purchase. SIGN UP NOW T&C apply.
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 Everyday Pant
The Versatile Pant
The Formal Pant
The Travel Pant
The So-Soft Pant
The Classic Jean
The Commuter Pant
THE EVERYDAY PANT
The Zaine Pant in Precision Ponte
The comfortable, day-to-day pant that doesn’t break a sweat.
Zaine Trousers in Precision Ponte
Zaine Trousers in Precision Ponte
Zaine Trousers in Precision Ponte
THE VERSATILE PANT
The Raffi 5-Pocket Pant in Neoteric Twill
Our signature, streamlined pant. Like denim, but better.
Raffi 5-Pocket Trousers in Neoteric Twill
Raffi 5-Pocket Trousers in Neoteric Twill
Raffi 5-Pocket Trousers in Neoteric Twill
THE FORMAL PANT
The Mayer Pant in Stretch Wool
The classic dress pant—suitably polished.
THE TRAVEL PANT
The Standard Drawstring Pant in Motion Nylon
Your most adaptable pant—travels light, rain or shine.
THE SO-SOFT PANT
The Straight Chino Pant in Moonsoft Cotton
The casual pant made to wear all year.
THE CLASSIC JEAN
The Standard Jean in Tinted Denim
Our fresh, refined take on denim.
THE COMMUTER PANT
The Curtis Drawstring Pant in Motion Wool
Sharp, breathable, commuter-friendly tailoring.
Styling Inspiration
Shop More Pants
Straight Chino Trousers in Moonsoft Cotton
Straight Chino Trousers in Moonsoft Cotton
Drawstring Pull-On Trousers in Motion Wool Twill
Sweatpant in Light Bilen
Mayer Trousers in Stretch Wool
Mayer Trousers in Stretch Wool
Zaine Trousers in Moonsoft Cotton
Zaine Trousers in Precision Ponte
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. 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.
KELSO SPECIAL OFFER
(1) Promotional Period: The Promotional Period is from 1 August 2026 to 30 September 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. 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 PANT OFFER
(1) Promotional Period: The Promotional Period is from 4 September 2026 to 13 September 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 purchase threshold in one single transaction at Theory Online Stores: (1) Purchase 1 pair of regular-priced pants and get 15% off; and (2) Purchase 2 pairs of regular-priced pants and get 20% off; and (3) Purchase 3 pairs of regular-priced pants and get 25% off. 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. 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.