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This versatile layer offers the structure of a jacket with the simplicity of a button-up shirt. Cut in our standard, everyday fit, it’s unlined with a point collar, chest patch pocket, and side on-seam pockets. This style is cut from our relaxed, cool-to-the-touch summer suiting fabric—a wrinkle-resistant material made from triacetate sourced from certified responsibly managed forests by a leading Japanese mill. It’s designed with an open weave for a light, breathable finish and effortless feel.
Style #:
Q0579401
True to size, choose your normal size
Standard fit, long sleeves
Hip length
Model is 6’2”, chest 38” and wearing a US size M
Composition
64% triacetate
36% polyester
Care
Machine wash cold, gentle cycle. Do not bleach. Hang to dry in shade, do not tumble dry. Cool iron if needed, light steam if needed. Dry clean with any solvent except trichloroethylene. Imported
We are committed to making a positive impact on the people who wear our clothes, our industry, and our planet, beginning with our Good Fabrics. Learn more about Theory for Good
This fabric uses triacetate derived from certified responsibly managed forests.
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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.
BUY MORE SAVE MORE PROMOTION
(1) Promotional Period:
The Promotional Period is from 8 May, 2026 to 13 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:
(1) up to 80% off on designated markdown items when purchasing at Theory Online Stores (the “Purchase Discount”); and
(2) instantly enjoy the following discounts (the “Threshold Discount”, together with the Purchase Discount, the “Discounts”) upon meeting the below designated purchase threshold in one single transaction (the “Purchase Threshold”) at the Theory Online Stores:
a. 5% extra discount upon purchase of any 2 items; and
b. 10% extra discount upon purchase of any 3 items.
The Discounts will automatically apply at checkout.
(4) General Terms and Conditions:
The Threshold Discount only applies to markdown items, and does not apply to items with 80% discount and Bundles. The purchase of any regular-priced items would be included in the Purchase Threshold, but the Threshold Discount does not apply to regular-priced items. The Discounts 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 Discounts 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 Discounts 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.
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