Skip to content

Cart

Your cart is empty

Continue shopping

SHIRT COLLAR EXTENDERS (2 PCS)

Sale price$15 CAD
Adjustable comfort
Versatile fit
Customer-approved
(3.0)

Every morning, it's the same challenge: finding a shirt where you don't feel too tight in your collar.

Our COCHIC® collar extenders are the perfect solution. Designed to relieve pressure at the collar and made to be worn as a subtle fashion accessory, without compromising your look. 

Say goodbye to snug collars and hello to lasting comfort during meetings, events or long working days.

With a simple accessory, your shirt will fit perfectly, every time.

Join over 10,000 customers who have discovered that true comfort is in the details.

Details & Features
  • This set includes a pack of 2 collar exetnders (16L and 18L)
  • 16L is often found in luxury or European brands for men's shirts.
  • 18L is the most common sizes for collar buttons in mass-market men’s shirts.
  • Includes white elastic bands to match any shirt discreetly.
  • All extenders fit standard buttonholes
  • Extends your collar by up to 1½" (40 mm) for a breathable, comfortable fit.
  • Made from high-quality, non-rusting resin that’s safe for both shirts and washing machines.
  • Features a durable elastic closure that retains its shape over time.
  • Fitted with a sleek ⅜" (10.2 mm) resin button for compatibility with standard buttonholes.
  • Original globally patented design—COCHIC® is the inventor of the collar extender.
  • Proudly designed and manufactured in Canada by a certified Women-Owned business.
  • Comes in elegant packaging, ideal for thoughtful gifting.
Care & Tips
  • Can remain on the shirt during washing without risk of rust or damage.
  • Do not dry at high temperatures to prolong the life of the elastic.
  • Store it in its original packaging or a small box to avoid losing it.
  • Choose the elastic band that matches your shirt for an invisible result.
  • An idea that is both elegant and practical for professionals, travelers, or anyone who values discreet comfort.
Shipping
  • Free shipping on all orders over $25
  • Standard delivery times:
  • Canada: 2–5 business days
  • United States: 3–5 business days
  • International: 5–10 business days
  • Express shipping available at an additional cost (delivery times may vary depending on destination)
Returns & Exchanges
  • Returns and exchanges accepted within 30 days of receipt
  • Items must be in their original condition, unworn, unwashed, and in original packaging
  • Return shipping costs are the customer’s responsibility (unless the return is due to an error on our part)
  • Shipping fees for exchanges are also the customer’s responsibility
  • Exchanges can also be made in person at our workshop: 4020 Saint-Ambroise Street, Suite 492, Montreal, Quebec, H4C 2C7, Canada

Pickup available at Chateau St-Ambroise

Usually ready in 24 hours

SHIRT COLLAR EXTENDERS (2 PCS)

SHIRT COLLAR EXTENDERS (2 PCS)

Chateau St-Ambroise

Pickup available, Usually ready in 24 hours

4020 Rue Saint-Ambroise
492
MONTREAL QC H4C2C7
Canada

+18885965518
SHIRT COLLAR EXTENDERS (2 PCS)
SHIRT COLLAR EXTENDERS (2 PCS) Sale price$15 CAD
  • 5 stars: 1 (50%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 1 (50%)
I
Ismael Maherzi
Never arrived

Hard to review an item I never received, now it's too late because I needed it for tomorrow. But since you insist and add insult to injury by spamming my mailbox for a review, here's your review.

R
Richard Humphries
Not recieved

Haven’t been able to track so don’t know where it is thanks Richard

B2B Inquiry Form

Thank you for reaching out. We will get back to you real soon!