Name: RUCHED HIGH-WAISTED BIKINI BRIEFS
Brand: COS
SKU: 1224446002
Price: 49 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.

Sculpted forms define the COS swimwear collection. Rendered in a timeless black hue, these high-waisted bikini briefs are made from smooth recycled fabric with adjustable ties that cinch at the sides, creating a ruched effect. Style them with the coordinating top.&nbsp;Recycled polyamide is polyamide made from textile waste in production&nbsp;Shell: 76% Recycled polyamide (Recycled nylon), 24% Elastane. Lining: 90% Polyester, 10% Recycled polyamide (Recycled nylon). Excluding trims / Machine wash

Sculpted forms define the COS swimwear collection. Rendered in a timeless black hue, these high-waisted bikini briefs are made from smooth recycled fabric with adjustable ties that cinch at the sides, creating a ruched effect. Style them with the coordinating top.&nbsp;<ul><li>Recycled polyamide is polyamide made from textile waste in production</li></ul>&nbsp;<span data-ccp-parastyle="x_msonormal" data-ccp-parastyle-defn="{&quot;ObjectId&quot;:&quot;76468b84-a6ee-4250-ac66-48a232b66b5d|5&quot;,&quot;ClassId&quot;:1073872969,&quot;Properties&quot;:[469775450,&quot;x_msonormal&quot;,201340122,&quot;2&quot;,134233614,&quot;true&quot;,469778129,&quot;xmsonormal&quot;,335572020,&quot;1&quot;,201342448,&quot;1&quot;,469777841,&quot;Calibri&quot;,469777842,&quot;Calibri&quot;,469777843,&quot;Calibri&quot;,469777844,&quot;Calibri&quot;,469769226,&quot;Calibri&quot;,335559705,&quot;2057&quot;,335551547,&quot;2057&quot;,335559740,&quot;259&quot;,201341983,&quot;0&quot;,335559739,&quot;0&quot;,469778324,&quot;Normal&quot;]}">Shell: 76% Recycled polyamide (Recycled nylon), 24% Elastane. Lining: 90% Polyester, 10% Recycled polyamide (Recycled nylon). Excluding trims / Machine wash

RUCHED HIGH-WAISTED BIKINI BRIEFS

Sculpted forms define the COS swimwear collection. Rendered in a timeless black hue, these high-waisted bikini briefs are made from smooth recycled fabric with adjustable ties that cinch at the sides, creating a ruched effect. Style them with the coordinating top.&nbsp;<ul><li>Recycled polyamide is polyamide made from textile waste in production</li></ul>&nbsp;<span data-ccp-parastyle="x_msonormal" data-ccp-parastyle-defn="{&quot;ObjectId&quot;:&quot;76468b84-a6ee-4250-ac66-48a232b66b5d|5&quot;,&quot;ClassId&quot;:1073872969,&quot;Properties&quot;:[469775450,&quot;x_msonormal&quot;,201340122,&quot;2&quot;,134233614,&quot;true&quot;,469778129,&quot;xmsonormal&quot;,335572020,&quot;1&quot;,201342448,&quot;1&quot;,469777841,&quot;Calibri&quot;,469777842,&quot;Calibri&quot;,469777843,&quot;Calibri&quot;,469777844,&quot;Calibri&quot;,469769226,&quot;Calibri&quot;,335559705,&quot;2057&quot;,335551547,&quot;2057&quot;,335559740,&quot;259&quot;,201341983,&quot;0&quot;,335559739,&quot;0&quot;,469778324,&quot;Normal&quot;]}">Shell: 76% Recycled polyamide (Recycled nylon), 24% Elastane. Lining: 90% Polyester, 10% Recycled polyamide (Recycled nylon). Excluding trims / Machine wash

Sculpted forms define the COS swimwear collection. Rendered in a timeless black hue, these high-waisted bikini briefs are made from smooth recycled fabric with adjustable ties that cinch at the sides, creating a ruched effect. Style them with the <a style="color: #1b1b1b; text-decoration: underline;" href="https://www.cos.com/en_gbp/product.1230903001.html" target="_blank" rel="noopener">coordinating top</a>.&nbsp;<ul><li>Recycled polyamide is polyamide made from textile waste in production</li></ul>&nbsp;<span data-ccp-parastyle="x_msonormal" data-ccp-parastyle-defn="{&quot;ObjectId&quot;:&quot;76468b84-a6ee-4250-ac66-48a232b66b5d|5&quot;,&quot;ClassId&quot;:1073872969,&quot;Properties&quot;:[469775450,&quot;x_msonormal&quot;,201340122,&quot;2&quot;,134233614,&quot;true&quot;,469778129,&quot;xmsonormal&quot;,335572020,&quot;1&quot;,201342448,&quot;1&quot;,469777841,&quot;Calibri&quot;,469777842,&quot;Calibri&quot;,469777843,&quot;Calibri&quot;,469777844,&quot;Calibri&quot;,469769226,&quot;Calibri&quot;,335559705,&quot;2057&quot;,335551547,&quot;2057&quot;,335559740,&quot;259&quot;,201341983,&quot;0&quot;,335559739,&quot;0&quot;,469778324,&quot;Normal&quot;]}">Shell: 76% Recycled polyamide (Recycled nylon), 24% Elastane. Lining: 90% Polyester, 10% Recycled polyamide (Recycled nylon). Excluding trims / Machine wash

Black

Product contains at least 65% recycled materials.

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

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Microsoft.Targeting

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
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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.

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FF for elevated size select buttons/selector

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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.

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Why it exists: Satisfies consumer protection regulations requiring transparent pricing history, helping customers make informed purchasing decisions and compare price trends.

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Our new Product Details Drawer using tabs 

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This flag is for new turbo cookie compliance

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