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.
The End of Summer Edit
Silhouettes that hold their shape through the heat—lightweight, undone, and high on cool factor.
Sleek + Sartorial
A sophisticated, fluid take on suiting that keeps you cool in high temperatures and high-stakes meetings alike.
Treeca Pull-On Trousers in Admiral Crepe
Wrapping Up
A quiet silhouette with soft purpose. Cut in a matte silk twill, this dress brings shape and stillness to warm, high-glare days. Versatile enough to wear buttoned, tied, or left undone—easy to shift with your plans.
Meet Mod Silk
Our 100% silk twill is designed in a versatile
weight that combines luxury with ease.
Neutral Territory
A tonal take on end-of-season styling—for mornings you’re already late and nights you didn’t schedule. These silk separates feel remarkably effortless yet pulled together.
Staying Power
This endlessly wearable dress features a soft drape and just a touch of drama. For when it’s too hot to try—but you still want to make a statement. Just add a sharp jacket or cozy cardigan come fall.
Shop More
Treeca Pull-On Trousers in Admiral Crepe
Treeca Pull-On Trousers in Admiral Crepe
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.
ART WEEK SPECIAL OFFER
(1) Promotional Period: The Promotional Period is from 20 March 2026 to 31 March 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 the “Theory Physical Stores”, together with Theory Online Stores, the “Theory Stores”). (3) How to enjoy this Promotion: During the promotion period, all customers can enjoy 15% off upon any purchase on regular-priced items (excluding the Excluded Products as defined below) (the “Discount”) by completing the aforesaid purchase at any Theory Stores. (4) General Terms and Conditions: The Discount does not apply to Bundles and permanent/ core items (the “Excluded Products”). 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 Theory VIP discounts/ Theory VIP discounts/ 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.