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Jacket Season
Blazers and vests to layer with intent.
Lynnia Blazer in Sleek Flannel
Receive Theory Luggage Belt upon purchase HKD3,500
Staple Blazer in Admiral Crepe
Receive Theory Luggage Belt upon purchase HKD3,500
Shrunken Double-Breasted Vest in Sleek Flannel
Receive Theory Luggage Belt upon purchase HKD3,500
Cropped Track Jacket in Wool-Blend Flannel
Receive Theory Luggage Belt upon purchase HKD3,500
New Arrivals
Lynnia Blazer in Sleek Flannel
Receive Theory Luggage Belt upon purchase HKD3,500
Classic Straight Trousers in Sleek Flannel
Receive Theory Luggage Belt upon purchase HKD3,500
Crewneck Cardigan in Cashmere
Receive Theory Luggage Belt upon purchase HKD3,500
Bestsellers
Flared Dress in Admiral Crepe
Receive Theory Luggage Belt upon purchase HKD3,500
Sleeveless Fitted Dress in Good Wool
Receive Theory Luggage Belt upon purchase HKD3,500
Staple Blazer in Admiral Crepe
Receive Theory Luggage Belt upon purchase HKD3,500
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Discover Fall 2025
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Trending Products
High-Waisted Jean Short in Relaxed Denim
Receive Theory Luggage Belt upon purchase HKD3,500
Staple Blazer in Admiral Crepe
Receive Theory Luggage Belt upon purchase HKD3,500
Classic Straight Trousers in Good Wool
Receive Theory Luggage Belt upon purchase HKD3,500
Crewneck Cardigan in Cashmere
Receive Theory Luggage Belt upon purchase HKD3,500
Raffi 5-Pocket Trousers in Neoteric Twill
Receive Theory Luggage Belt upon purchase HKD3,500
Slit Flare Pant in Double-Knit Jersey
Receive Theory Luggage Belt upon purchase HKD3,500
Fitted Shirt in Silk Georgette
Receive Theory Luggage Belt upon purchase HKD3,500
Sweater Tee in Regal Wool
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Treeca Pull-On Trousers in Admiral Crepe
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Sylvain Shirt in Structure Knit
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Sweater Tee in Regal Wool
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Treeca Pull-On Trousers in Admiral Crepe
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Bestsellers
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. 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.
THEORY X GOLDMAN SACHS LIMITED-TIME OFFERR
(1) Promotional Period: The Promotional Period is from 8 August, 2025 to 30 September, 2025 (both days inclusive). (2) Eligibility: Existing Goldman Sachs Employees (collectively the “Eligible Customers”). (3) 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”); and (ii) Theory Stores at Pacific Place, ifc mall, Lee Garden Two, Harbour City, New Town Plaza, Cityplaza (collectively “Theory Physical Stores”, together with Theory Hong Kong Online Store, the “Theory Stores”). (4) How to enjoy this Promotion: During the Promotional Period, Eligible Customers can enjoy a 20% discount on all regular-priced items (the “Discount”) at Theory Stores: (i) by presenting valid employee card at Theory Physical Stores and successfully registering as a Theory member via [the Theory site]; and (ii) by first registering an account at Theory Hong Kong Online Store with his / her work email (“Registered Account”), and logging in to the Registered Account at checkout. (5) General Terms and Conditions: The Discount only applies to the Discounted Items, and does not apply to any other items (including but not limited to regular priced items and Bundles). Save and except shopping mall coupons (where applicable) and designated gift offers designated by Theory from time to time, the promotion 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, shopping mall loyalty program discounts (where applicable), other Credit Card Year-Round Discount and Theory CRM Coupons). The promotion cannot be transferred nor exchanged for cash or any other gifts or coupons. Customers who provide inaccurate information would not be eligible to enjoy this promotional offer. No exchange or return would be provided for products purchased with the promotion under this promotion. Eligible Customers shall present his or her original valid employee card at Theory Physical Stores for verification purpose. By participating in the promotion, Eligible Customers are deemed to agree with and be bound by these Terms and Conditions and Theory's Privacy Policy at https://hk.theory.com/privacy-policy_hk.html. Eligible Customers agree and acknowledge that Theory will only use the personal data collected for the purposes of the promotion, and the information will be kept strictly confidential. Unless otherwise agreed by the Eligible Customers, their personal data will not be used for any other purpose (including but not limited to direct marketing purpose) and will be destroyed after the relevant purposes are completed. 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.
LUGGAGE BELT PROMOTION
(1) Promotional Period: The Promotional Period is from September 8, 2025 to September 25, 2025 (both days inclusive). (2) Designated Store in respect of this Promotion: Theory Online Store at hk.theory.com (collectively “Theory Online Store”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can receive one complimentary Theory Luggage Belt (the “Gift”) upon a single net spending of HKD3,500. The Gifts will be dispatched together with their ordered items. (4) General Terms and Conditions: The Gifts shall be returned unworn or unused (as the case maybe), and in new, clean and original conditions with all tags and packing (if applicable) intact, in case of any return/refund; otherwise the customers’ right to return/refund in respect of that transaction would be restricted. The Gifts would be randomly distributed and cannot be selected by customers. The Gifts are available on a “first-come-first-served” basis while stock lasts. No exchange or return of Gifts would be allowed. The Offers cannot be transferred, nor be exchanged for cash, other products/gifts or coupon. No refund or change, whether in cash or in other form, will be given to Eligible Customers. Theory (H.K.) Limited (“Theory”) is not the manufacturer of the Gifts. Accordingly, Theory makes no representation or warranty in respect of the Gifts (including but not limited to the quality). Except for liability which cannot be limited or excluded by law, Theory shall not be responsible for any matters arising out of or in relation to the Gifts. 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.
(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.
THEORY X GOLDMAN SACHS LIMITED-TIME OFFERR
(1) Promotional Period: The Promotional Period is from 8 August, 2025 to 30 September, 2025 (both days inclusive). (2) Eligibility: Existing Goldman Sachs Employees (collectively the “Eligible Customers”). (3) 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”); and (ii) Theory Stores at Pacific Place, ifc mall, Lee Garden Two, Harbour City, New Town Plaza, Cityplaza (collectively “Theory Physical Stores”, together with Theory Hong Kong Online Store, the “Theory Stores”). (4) How to enjoy this Promotion: During the Promotional Period, Eligible Customers can enjoy a 20% discount on all regular-priced items (the “Discount”) at Theory Stores: (i) by presenting valid employee card at Theory Physical Stores and successfully registering as a Theory member via [the Theory site]; and (ii) by first registering an account at Theory Hong Kong Online Store with his / her work email (“Registered Account”), and logging in to the Registered Account at checkout. (5) General Terms and Conditions: The Discount only applies to the Discounted Items, and does not apply to any other items (including but not limited to regular priced items and Bundles). Save and except shopping mall coupons (where applicable) and designated gift offers designated by Theory from time to time, the promotion 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, shopping mall loyalty program discounts (where applicable), other Credit Card Year-Round Discount and Theory CRM Coupons). The promotion cannot be transferred nor exchanged for cash or any other gifts or coupons. Customers who provide inaccurate information would not be eligible to enjoy this promotional offer. No exchange or return would be provided for products purchased with the promotion under this promotion. Eligible Customers shall present his or her original valid employee card at Theory Physical Stores for verification purpose. By participating in the promotion, Eligible Customers are deemed to agree with and be bound by these Terms and Conditions and Theory's Privacy Policy at https://hk.theory.com/privacy-policy_hk.html. Eligible Customers agree and acknowledge that Theory will only use the personal data collected for the purposes of the promotion, and the information will be kept strictly confidential. Unless otherwise agreed by the Eligible Customers, their personal data will not be used for any other purpose (including but not limited to direct marketing purpose) and will be destroyed after the relevant purposes are completed. 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.
LUGGAGE BELT PROMOTION
(1) Promotional Period: The Promotional Period is from September 8, 2025 to September 25, 2025 (both days inclusive). (2) Designated Store in respect of this Promotion: Theory Online Store at hk.theory.com (collectively “Theory Online Store”). (3) How to enjoy this Promotion: During the Promotional Period, all customers can receive one complimentary Theory Luggage Belt (the “Gift”) upon a single net spending of HKD3,500. The Gifts will be dispatched together with their ordered items. (4) General Terms and Conditions: The Gifts shall be returned unworn or unused (as the case maybe), and in new, clean and original conditions with all tags and packing (if applicable) intact, in case of any return/refund; otherwise the customers’ right to return/refund in respect of that transaction would be restricted. The Gifts would be randomly distributed and cannot be selected by customers. The Gifts are available on a “first-come-first-served” basis while stock lasts. No exchange or return of Gifts would be allowed. The Offers cannot be transferred, nor be exchanged for cash, other products/gifts or coupon. No refund or change, whether in cash or in other form, will be given to Eligible Customers. Theory (H.K.) Limited (“Theory”) is not the manufacturer of the Gifts. Accordingly, Theory makes no representation or warranty in respect of the Gifts (including but not limited to the quality). Except for liability which cannot be limited or excluded by law, Theory shall not be responsible for any matters arising out of or in relation to the Gifts. 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.