Personal Info

Delivery Methods

Returns

Contact Info

Women

New Arrivals

Nouveautés

Linen Collection

Trending Now Blue

Le nouveau bleu

Femme

View All

Tout le prêt-à-porter homme

Spring Summer 2026

Défilé Printemps-Été 2026

Homme

Type de produit

Caractéristiques du produit

Filtre de couleur

Material

Statuses CA

Tailles

Gilet Milano en maille

BLAZER CROISÉ À FINES RAYURES

Veston en laine fluide

BLAZER EN COTON NON STRUCTURÉ

Blazer sans col en mélange de lin

BLAZER DÉCONSTRUIT EN MÉLANGE DE LIN

Blazer non structuré en seersucker

Gilet en lin mélangé

BLAZER SLIM DÉSTRUCTURÉ EN SERGÉ TECHNIQUE

BLAZER SIMPLE BOUTONNAGE EN LIN

Afrique

Asie

Europe

Moyen-Orient

Amérique du Nord et du Sud

Océanie

Country Selector Configs

Drawers

Global Config

Information Footer

Blazers

CONFIRMER VOTRE PAYS DE LIVRAISON

Il semble que vous vous trouviez dans le pays suivant : {{currentCountry}}. Cependant, vous êtes sur le point de modifier le pays d’expédition pour {{targetCountry}}. Souhaitez-vous continuer?

Modals

Notifications

Products Config

Sitewide

Notre collection de blazers pour homme présente des vestes modernisant le costume traditionnel en laine, en coton et en lin. Découvrez des modèles cintrés et décontractés.

Blazers - Costumes - Hommes - COS

About Us

https://career.cos.com/coscareer/fr_ca.html

https://press.cos.com/content/cospress/fr/home.html?lang=fra

Store Locator

L’entreprise

Compte

Payment Options

Product Care

Size Guide

Fit Guide

Aide

Privacy Notice

Terms And Conditions

Modern Slavery Statement

Cookie Notice

Mentions légales

https://www.facebook.com/cos/

https://www.instagram.com/cosstores/

https://www.pinterest.com/cos/

https://www.tiktok.com/@cos

https://open.spotify.com/playlist/03xISbDqJQ1DYgqtR9cjmN

https://cosstores-ca.attn.tv/p/cYF/landing-page

Nous suivre

No Reviews

Ce produit n’a aucune évaluation pour le moment.

Reviews Terms and Conditions 

Shopping Bag

LIVRAISON STANDARD GRATUITE À PARTIR DE 200 {{currencySymbol}} D’ACHATS.

Please note, stock levels may vary. For further information, please contact the store.

Vos options de livraison varient selon votre emplacement au Canada.

Expédition standard

Expédition express

Expédition le jour suivant

We accept the following payment methods for online purchases:

Les achats en ligne d’articles avec une réduction de 50 % ou plus sont considérés comme des ventes finales. Les articles achetés en vente finale ne sont admissibles ni au retour, ni à l’échange, ni au crédit, sans exception, et la marchandise est vendue en l’état.

Si quelque chose ne vous convient pas, vous disposez de 30 jours à compter de la date d’achat pour retourner vos articles à plein prix et de 14 jours à partir de la date de livraison pour retourner tout article en solde, autre que ceux marqués « Vente finale », pour obtenir un remboursement complet avec le mode de paiement utilisé lors de la commande.Nous vous demandons de nous retourner les articles propres, non portés et avec toutes leurs étiquettes.

Des questions ? Veuillez consulter notre page de [retours](https://www.cos.com/fr-ca/customer-service/returns).

Favourites

You are currently shopping on {{currentCountry}} website. When changing countries your shopping bag will be emptied and you will be signed out of your account. Are you sure you want to proceed?

Vous vous trouvez actuellement sur le site de : {{currentCountry}}. Si vous changez de pays, votre panier sera vidé. Voulez-vous continuer?

Votre inscription est confirmée, et vous recevrez de l’information sur les nouveaux défilés, les événements et les promotions.

Microsoft.Targeting

Turns on / off additional Material Information in PDP drawer

When enabled, it monkey-patches the Adyen SDK's Drop-in component to intercept payment method selections and reads it back on the checkout success page to show the human-readable payment method name.

Enables automatic logout for authenticated users when changing countries to prevent cross-market session issues.

Azure Insights Telemetry for nextjs, both frontend and backend

Enables direct communication with the BFF for customer settings (get and update) instead of going through the legacy API proxy. Falls back to the legacy path when disabled.

Controls whether Canada (CA) market is included in hreflang meta tags for SEO.

Default: false (disabled)

Behavior:
Disabled (default): Canada is excluded from hreflang tags. Use this during the initial Canada launch phase when only a landing page is available and all other pages redirect.
Enabled: Canada is included in hreflang tags alongside other production markets. Enable this once Canada has full page coverage and no longer redirects users to a landing page.

Use case: Prevents search engines from indexing Canada-specific hreflang alternates until the market is fully launched with complete page support.

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.

When enabled, the checkout payment flow will attempt to update an existing guest customer (PUT) if guest creation returns a 409 conflict, instead of failing. This enables an upsert pattern: create if new, update if already exists. 

Bypass checkout/login and take user directly to CIAM page

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

coming soon feature flag is to enable/disable the feature.

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.

Blocks plaintext email addresses in newsletter URL parameters (unsubscribe, double opt-in). When enabled, URLs must use hashed emails with bpId. Phone numbers remain allowed in plaintext.

Blocks plaintext emails in Double Opt-In confirmation URLs. Requires hashed emails with bpId. Phone numbers remain allowed in plaintext. Enable only after Emarsys includes bpId in DOI emails.

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)

Switches on/off ecomID SizeFinder and SizeAlert widgets functionality on PDP

[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.

Switches My Account orders/returns data source from Centra GraphQL to ESCI API Gateway. Both paths produce the same unified types. 

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.

feature flag that is deciding which version of find in store drawer 

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.

As we deprecate Headless UI , radiobuttons are first up to switch to Radix. Turn off on this feature flag if we want to fallback to Headless UI as fallback

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.

When enabled, uses the ParcelLab test country code (xt) instead of the actual user country code for the Digital Returns widget.

https://hmgroup.atlassian.net/browse/PBCDE-12822

https://hmgroup.atlassian.net/browse/PBCDE-9156

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 

Will trigger extra attention around size-guide, a red-text-button that animates, and notification messages in Wishlist and in the opend size-guide drawers

Validates checkout state integrity during payment processing by comparing server-calculated hash with client-provided hash, preventing payment when checkout data has changed between user confirmation and payment API call to ensure accurate orders.

If enabled, the Storyblok Cache service endpoint will be used to proxy Storyblok requests. Note: Not all envs have the endpoint configured so may not affect them.

Enables tracking the origin of newsletter subscriptions by attaching touchpoint metadata to Customer API, identity provider, and Tealium payloads.

Tealium: include guest_bpid in purchase event for guest checkout

Flag to enable test countries.
As of today (2024-07-19) these are:
BE, CY, GR, HR, LU, PT

Flag to enable test markets. 
As of today (2024-07-12) these are: 
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

Blazers

Gilet milano en maille

Blazer croisé à fines rayures

Veston en laine fluide

Blazer en coton non structuré

Blazer sans col en mélange de lin

Blazer déconstruit en mélange de lin

Blazer non structuré en seersucker

Gilet en lin mélangé

Blazer slim déstructuré en sergé technique

Blazer simple boutonnage en lin