---
product_id: 275768723
title: "Johnson & Smith Collar Neck Extender/Wonder Button for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8\", Metallic"
brand: "johnson & smith"
price: "£18.06"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/275768723-johnson-and-smith-collar-neck-extender-wonder-button-for-1
store_origin: GB
region: United Kingdom
---

# 0.375 inch (3/8") precise expansion Durable zinc alloy build Under 5 seconds easy attach Johnson & Smith Collar Neck Extender/Wonder Button for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8", Metallic

**Brand:** johnson & smith
**Price:** £18.06
**Availability:** ✅ In Stock

## Summary

> 👔 Unlock your shirt’s true comfort potential—no compromises, just style.

## Quick Answers

- **What is this?** Johnson & Smith Collar Neck Extender/Wonder Button for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8", Metallic by johnson & smith
- **How much does it cost?** £18.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/275768723-johnson-and-smith-collar-neck-extender-wonder-button-for-1)

## 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

- • **Versatile & Chainable:** Link multiple extenders for custom collar expansion tailored to you.
- • **Discreet & Sleek Design:** Only 10mm diameter—comfort that stays your little secret.
- • **Value-Packed 6-in-1 Set:** Get 6 extenders for the price of 5—more freedom, less cost.
- • **Effortless Comfort Upgrade:** Expand your collar size instantly without sewing or hassle.
- • **Premium Zinc Alloy Durability:** Crafted from eco-friendly, super-strong metal for lifelong use.

## Overview

Johnson & Smith Collar Neck Extenders offer a smart, durable solution to tight dress shirt collars by expanding them by 3/8 inch. Made from eco-friendly zinc alloy, these compact extenders attach in seconds without sewing, providing discreet comfort and saving you money on new shirts. The 6-pack delivers exceptional value and customizable fit options for the modern professional.

## Description

Johnson & Smith Collar Neck Extender/Wonder Button for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8", Metallic

## Features

- YOUR BREATHING ROOM BACK: Opt for premium comfort and expand your dress shirt collars by neck size to make them more comfortable to wear and save money from replacing too tight neck shirts.
- TOP QUALITY + FREE EXTENDER: Johnson & Smith collar extenders make your durable buddy for lifelong use. Made from environmentally friendly, super-durable zinc alloy. Now with 6 extenders for the same price as 5.
- CONVENIENTLY 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 9.14 x 4.32 x 0.76 cm; 8.5 g |
| Item Weight | 0.3 Ounces |
| Fabric Type | Zinc Alloy |
| Batteries required | No |

## Images

![Johnson & Smith Collar Neck Extender/Wonder Button for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8", Metallic - Image 1](https://m.media-amazon.com/images/I/81NA-SJkwHL.jpg)

## Frequently Bought Together

- Johnson & Smith Collar Extenders/Neck Extender/Wonder Button for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8"
- Wardrobe Hackers Collar Extenders for Mens Shirts Soft Elastic Neck Relief Tight Collars for Dress Shirts Button Expanders
- Johnson & Smith White Metal Collar Extenders Stretch Neck Extender for 1/2 Size Expansion of Men Dress Shirts, 5 +1 Pack, 3/8"

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**Shop now:** [https://www.desertcart.co.uk/products/275768723-johnson-and-smith-collar-neck-extender-wonder-button-for-1](https://www.desertcart.co.uk/products/275768723-johnson-and-smith-collar-neck-extender-wonder-button-for-1)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-26*