Name: RELAXED OPEN-SLEEVE SHIRT
Brand: COS
SKU: 1250546001
Price: 135 USD
Availability: OutOfStock

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We hope you will love everything that you order from us but if something isn't quite right, you have 30 days to send it back to us. 

Please note any purchase made online, from 5th November 2025 - 10th December 2025 can be returned up until 9th January 2026. For purchases made from 11th December 2025 onwards, our normal returns policy will apply. 

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We hope you will love everything that you order from us but if something isn't quite right, you have 30 days to send it back to us.

We’ll give you a full refund by the same method you used to pay, the cost of the return will be taken out of the original payment ($25).

Please note that items bought online cannot be refunded or exchanged in any of our stores.
 
Please refer to our [returns page](/en-eu/customer-service/returns) for more information.

The COS womenswear team have reimagined the classic cotton shirt by incorporating sleeves that can be entirely unbuttoned to create a deconstructed shape. It's kept otherwise simple with its pointed collar, chest patch pocket and concealed placket.&nbsp;Relaxed fitButton closure&nbsp;Shell: 100% Cotton. Excluding trims / Machine wash&nbsp;Back length of size EU 36 is 84.3cm / Model wears a size EU 36

The COS womenswear team have reimagined the classic cotton shirt by incorporating sleeves that can be entirely unbuttoned to create a deconstructed shape. It's kept otherwise simple with its pointed collar, chest patch pocket and concealed placket.&nbsp;<ul><li>Relaxed fit</li><li>Button closure</li></ul>&nbsp;Shell: 100% Cotton. Excluding trims / Machine wash&nbsp;Back length of size EU 36 is 84.3cm / Model wears a size EU 36

RELAXED OPEN-SLEEVE SHIRT

The COS womenswear team have reimagined the classic cotton shirt by incorporating sleeves that can be entirely unbuttoned to create a deconstructed shape. It's kept otherwise simple with its pointed collar, chest patch pocket and concealed placket.&nbsp;<ul><li>Relaxed fit</li><li>Button closure</li></ul>&nbsp;Shell: 100% Cotton. Excluding trims / Machine wash&nbsp;Back length of size EU 36 is 84.3cm / Model wears a size EU 36

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Product contains at least 0% recycled materials.

Product contains at least 84.17% recycled materials

We've updated our sizes based on your feedback. Please refer to the size guide.

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Turns on / off additional Material Information in PDP drawer

Azure Insights Telemetry for nextjs, both frontend and backend

Turning this on will allow an Inactivity trigger (when user is returning) for an extra selection call to Centra

Enables the Ingrid delivery address locking functionality in checkout, which allows the delivery address section to be locked to prevent changes.

Used to to display debug info from components using <Debugger> - Prod here is irrelevant as it can only be featureflag toggled for lowe environents

FeatureFlag that is determines ReviewsDrawer Version

Feature Flag to enable/disable reviews functionality in My Account application area.

worked together with clientDegubOverlay to display data around how long since last interactivity

Flag that enables Digital Order Return feature
- Link Button on My Account Order History
- Order Return Block on different pages

Controls if PDP delivery and returns sidebar shows Ingrid delivery estimation time widget or content from Storyblok.

Disable preorder on lower environments. Preorder cannot be disabled on PROD.

testflag to show debugger in action provided clientDebugOverlay flag also is avalilable. Will never work in Production (only limited to lower Environments)

[Deprecated] Flag that will enable the use of the new elevated components as part of the Elevation project.

Used to enable/disable the option for overriding the navbars sticky behaviour in page settings.

Flag that will enable the use of the new elevated footer as part of the Elevation project.

Flag that will enable the use of the new elevated navigation as part of the Elevation project.

FF for elevated size select buttons/selector

Controls display of elevated quickshop drawer

Enables browser-based API mocking using MSW (Mock Service Worker) for local development, testing, and preview environments. When active, network requests are intercepted and served with mock data, improving frontend development speed and reliability. Disable in production.

Enabled PDP stock check call caching. Cache control headers will be set to 1 min.

Enables the new Wishlist API service as the storage backend. When this flag is true, the app persists and reads wishlists via the backend service.  When false, it uses the client-side cookie storage.

When enabled it doubles PDP revalidation and caching time (will be set to 20 mins)

When enabled it doubles PLP revalidation and caching time (will be set to 20 mins)

This feature flag can be used to toggle support for faceted navigation on PLPs.

Allow COS App to use FHR AB Test caching instead of directly passing sessionID.

Controls whether Klarna payment options are displayed as separate, selectable payment categories or as a single consolidated payment method.

Purpose: Enables historical price display for products to meet regulatory compliance requirements. 
What it does: When enabled, shows the previous price alongside the current price for applicable products, allowing customers to see price changes over time. 
Why it exists: Satisfies consumer protection regulations requiring transparent pricing history, helping customers make informed purchasing decisions and compare price trends.

Purpose: Enables unit pricing display for multipack products to meet regulatory compliance requirements.
What it does: When enabled, displays the calculated price per individual item for multipack products (e.g., "£5 / piece" for a £10 two-pack).
Why it exists: Satisfies consumer protection regulations requiring transparent unit pricing to help customers compare products sold in different quantities.

Our new Product Details Drawer using tabs 

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Flag to enable test countries.
As of today (2024-07-19) these are:
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Flag to enable test markets. 
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CH, ES, FR, GB, IE, IT, NO, PL, SE

This flag is for new turbo cookie compliance

Use Upper Case (instead of lower / sentence case) in the product Card Titles