--- product_id: 42743867 title: "White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8\"" brand: "johnson & smith" price: "¥2496" currency: JPY in_stock: true reviews_count: 11 category: "Johnson & Smith" url: https://www.desertcart.jp/products/42743867-white-metal-collar-extenders-stretch-neck-extender-for-1-2 store_origin: JP region: Japan --- # ½ inch collar expansion Chainable extenders for custom fit Eco-friendly zinc alloy build White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8" **Brand:** johnson & smith **Price:** ¥2496 **Availability:** ✅ In Stock ## Summary > 👔 Unlock your collar’s true potential—comfort meets class! ## Quick Answers - **What is this?** White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8" by johnson & smith - **How much does it cost?** ¥2496 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/42743867-white-metal-collar-extenders-stretch-neck-extender-for-1-2) ## Best For - johnson & smith enthusiasts ## Why This Product - Trusted johnson & smith brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Upgrade:** Attach in under 5 seconds—no sewing, no hassle, just instant relief. - • **Invisible Comfort Hack:** Discreet 3/8” diameter design stays hidden under ties and collars. - • **Built to Last a Lifetime:** Durable, recyclable zinc alloy with a lifetime warranty and eco-conscious manufacturing. - • **Breathe Easy, Dress Sharp:** Expand your collar by ½ inch for all-day comfort without sacrificing style. - • **Join the Collar Freedom Movement:** 1% of profits support charity—wear comfort with a cause. ## Overview Johnson & Smith White Metal Collar Extenders offer a sleek, durable solution to tight dress shirt collars by expanding neck size by ½ inch. Crafted from eco-friendly zinc alloy, these discreet extenders attach quickly without sewing and can be chained for extra room. Backed by a lifetime warranty and a charitable cause, they provide professional men with lasting comfort and style confidence. ## Description An Evil Plot by Clothing Companies? Does your shirt’s collar also magically shrink on special occasions such as Christmas, Thanksgiving and Easter? And sometimes even just simply by washing it? We don’t know if it’s caused by magic or an evil plot by clothing companies to get you to buy more shirts. But as a fact, shrinking shirt collars seem to be a problem that’s spreading like wildfire in the US and around the world. Help to win us the fight against shrinking collars But fear not, together we can overcome the collar shrinking conspiracy! Because now, we’ve developed a miraculous weapon in the fight against shrinking collars. This wonder button collar extender made from zinc alloy with an expandable loop might look simple at first, but it’s an effective solution that can end this growing problem once and for all and let you finally breath freely again in your favorite shirt. You can try it out, totally risk-free… We’ve added a far too easy “Better than Money-back Guarantee” to this pack of mens collar extenders. If one of them breaks, today or 10 years from now, you don’t like them or got up with the wrong leg today. Simply ask for a hassle-free, no questions asked refund, you don’t even have to send the shirt collar extenders back. 5 Reasons why you’ll love this neck extender buttons:- Made from environmentally friendly, recyclable zinc alloy.- 1% of profits are going towards charity.- Durable and made to last for a lifetime, with lifetime warranty.- Multiple extender can be chained together for even larger extension.- Completely hidden when wearing a neck or bow tie.Click “Add to Cart” now to give your neck the breathing room back and enjoy our risk-free better than money-back guarantee. Review: Simple Fix for Tight Shirt Collars - I bought these collar extenders to help with a dress shirt that was fitting too tight around the neck. They worked well for giving just a little extra room and made the shirt much more comfortable to wear. This was a much cheaper solution compared to replacing perfectly good shirts. They’re easy to use and do exactly what they’re supposed to do. Overall, a simple and effective fix. Review: Great Product - Item worked as expected. Got my money worth ## Features - Your Breathing Room Back: Opt for premium comfort and expand your dress shirt collars by ½ neck size to make them more comfortable to wear and save money from replacing too tight neck shirts. - Top Quality: Johnson & Smith collar extenders make your durable buddy for lifelong use. Made from environmentally friendly, super-durable zinc alloy. - Conviently Discreet: Just 10mm (3/8”) in diameter, those neck extenders are your secret ally for peerless comfort and a unique sense of freedom in use! - Easy to Use: Attached in less than 5 seconds. No sewing is required to attach our metal shirt collar extenders to your shirt! Simply loop one around your shirt button or daisy chain a pair of them together for even more space. - Preimium Quality: At Johnson & Smith we take pride in the quality and craftsmanship of our products and we back these extenders with great customer service. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MZELGSX | | Age Range Description | Adult | | Apparel Closure Type | Button | | Apparel Fabric Stretch | No Stretch | | Apparel Fabric Weight Class | Heavyweight | | Best Sellers Rank | #14,814 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #121 in Sewing Buttons #1,117 in Men's Button-Down Shirts | | Brand Name | Johnson & Smith | | Collection Name | All | | Color | White | | Customer Reviews | 4.5 out of 5 stars 1,404 Reviews | | Fabric Stretchability | Non-stretchable | | Fabric Type | Zinc Alloy | | Fit Type | Classic Fit | | Fit to Size Sentiment | positive | | Garment Size Country | United States | | Item Type Name | Collar Extender | | Item Weight | 0.3 Ounces | | Manufacturer | Johnson & Smith | | Manufacturer Part Number | 6009708710024 | | Manufacturer Warranty Description | Lifetime Warranty | | Material Type | Zinc Alloy | | Neck Style | Collared Neck | | Number of Items | 6 | | Occasion Type | Christmas, Easter, Thanksgiving | | Pattern | Solid | | Product Care Instructions | Hand Wash Only | | Seasons | fall, winter, spring | | Shirt Form Type | Tuxedo Shirt | | Sleeve Length Description | Long Sleeve | | Sleeve Type | Long Sleeve | | Style Name | Classic | | Style Number | JS-20002-US | | Unit Count | 6 Count | | collar-type | Button Down Collar | ## Images ![White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8" - Image 1](https://m.media-amazon.com/images/I/81Y0CyDtTLL.jpg) ![White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8" - Image 2](https://m.media-amazon.com/images/I/713e7eENINL.jpg) ![White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8" - Image 3](https://m.media-amazon.com/images/I/71+tuA9kNFL.jpg) ![White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8" - Image 4](https://m.media-amazon.com/images/I/711aLsI4D3L.jpg) ![White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8" - Image 5](https://m.media-amazon.com/images/I/71uJbLuTkqL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Is the same style available for pants also?** A: We have pant extenders but they're not the same style. You can find it under ASIN B076M8LSN8. Hope these will work out for you. **Q: Where are these manufactured?** A: I have no clue because after I used the first one and it didn't work out, I discarded the remainder of them. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Simple Fix for Tight Shirt Collars *by J***N on May 26, 2026* I bought these collar extenders to help with a dress shirt that was fitting too tight around the neck. They worked well for giving just a little extra room and made the shirt much more comfortable to wear. This was a much cheaper solution compared to replacing perfectly good shirts. They’re easy to use and do exactly what they’re supposed to do. Overall, a simple and effective fix. ### ⭐⭐⭐⭐⭐ Great Product *by D***. on October 13, 2025* Item worked as expected. Got my money worth ### ⭐⭐⭐⭐⭐ The cure for tight collars *by J***E on May 12, 2026* Easy directions and works as described --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/42743867-white-metal-collar-extenders-stretch-neck-extender-for-1-2](https://www.desertcart.jp/products/42743867-white-metal-collar-extenders-stretch-neck-extender-for-1-2) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-16*