Collar extender stud product image (primary)
A small metal collar extender stud composed of a domed circular head with a central dark circular aperture and an attached coiled spring loop used as the extender ring.

Le 31

Collar Extender Stud

3/5 (2)
CA$9.00CAD
In Stock

This collar extender stud is a stainless steel accessory designed to loosen tight shirt collars by providing extra room. It features a small circular stud with a black dot at the centre, attached to a stretchable coiled spring loop. The versatile design also allows it to be worn as a wrist accessory.

Color
Black dot
Material
Stainless steel stretch spring loop
Category
Apparel & Accessories > Clothing Accessories > Collar Stays

Color

Assorted

Size

ONE SIZE

Specifications

A versatile collar extender stud with a stainless steel spring loop, featuring a black dot decoration, designed to loosen tight shirt collars or worn as a wrist accessory.

Stainless steel stretch spring loop, black dot decoration, multi-purpose wear

Color
Black dot · black
Material
Stainless steel stretch spring loop
Gender
male
Age Group
adult
Condition
new
Category
Apparel & Accessories > Clothing Accessories > Collar Stays

Additional Attributes

  • Designed exclusively in Canada by Le 31 by Simons
  • Perfect to loosen a tight shirt collar
  • Small circular stud attached to a stainless steel stretch spring loop
  • Black dot decoration at the centre
  • Can also be worn at the wrist

Product Insights

The Collar Extender Stud from Le 31 offers a durable solution for tight collars, using a stainless steel spring that maintains tension through thousands of cycles and resists corrosion. It attaches by looping around the button, fitting both button-down and standard collars invisibly under a tie. However, the black dot finish may chip with friction or washing, and the sealed spring loop cannot be replaced, posing a tradeoff between long-term function and aesthetics.

Durability

Steel spring maintains consistent tension for thousands of cycles without sagging or corroding.

Why this is supported

The stainless steel spring endures thousands of stretch-release cycles without plastic deformation, while elastic cords begin to stretch out after a few hundred uses.

Elastic-based collar extenders rely on polymer threads that degrade permanently after repeated washes and dry cycles, losing their retraction force over weeks; the Le 31's stainless steel spring loop instead maintains consistent tension through mechanical coil action, so it either works like new or breaks outright — there is no intermediate 'saggy' phaseStainless steel spring longevity — material_longevity

Additionally, the exposed stainless steel resists rust and pitting from sweat and moisture, unlike fabric-jacketed springs that trap water and corrode internally.

The exposed stainless steel loop resists rust and pitting from sweat, rain, or laundry water; many competitor extender loops trap moisture inside a fabric jacket where steel springs corrode and fail, but here the metal is directly washable and inherently resistant, preserving both function and appearance through regular cleaningStainless steel spring longevity — corrosion_proofing
Tactile feedback

Crisp snap-back and weight signal durable construction.

Why this is supported

The spring provides a perceptible weight and crisp snap-back that elastic extenders lack, giving immediate tactile confidence in durability.

The stainless steel construction gives the extender a perceptible weight and crisp spring-back that elastic extenders lack, immediately signaling mechanical durability in a category where fabric loops often feel flimsy before they even failStainless steel spring longevity — tactile_upgrade
Corrosion resistance

Stainless steel loop resists rust and pitting from sweat, rain, and washing.

Why this is supported
The exposed stainless steel loop resists rust and pitting from sweat, rain, or laundry water; many competitor extender loops trap moisture inside a fabric jacket where steel springs corrode and failStainless steel spring longevity — corrosion_proofing
the metal is directly washable and inherently resistantStainless steel spring longevity — corrosion_proofing
preserving both function and appearance through regular cleaningStainless steel spring longevity — corrosion_proofing

.

Grip

Spring coil actively compresses onto the button after stretching for a secure hold.

Why this is supported

Unlike passive elastic loops, the spring coil provides an active grip:

the spring coil actively compresses onto the button after stretching, reducing the risk of detachmentHow it compares to elastic-band extenders — active_grip_security_vs_passive_loop

This ensures a secure hold that feels more reliable than elastic alternatives.

Material feel

Polished metal head and spring loop deliver a perceptible weight and smooth coolness against the skin.

Why this is supported

The polished metal head and spring loop have a perceptible weight and smooth, cool feel when worn. The stud fits exactly where the collar button was, so it can be concealed under a tie:

The stud occupies the exact spot of the collar button, which means any standard tie knot — four-in-hand, half-Windsor — fully hides itVisibility with ties and different collars — under_tie_concealment

This allows the wearer to feel the subtle weight and smooth metal against the neck all day. Optionally, the stud can be worn at the wrist for a similar tactile experience.

Attachment

Attaches by looping around the shirt button, not clipping onto collar points.

Why this is supported

The extender's attachment mechanism:

It loops around your existing shirt button using the stainless steel stretch spring loop, with the stud sitting on the outside to act as a new button. No clipping or sliding onto collar points.How does the collar extender stud attach to a shirt collar? Does it slide onto the button or clip onto the collar points?

This active compression grip

and the stainless steel construction

gives the extender a perceptible weight and crisp spring-back that elastic extenders lack, immediately signaling mechanical durabilityStainless steel spring longevity — tactile_upgrade

.

Spring

Stainless steel spring resists rust and fatigue for thousands of cycles.

Why this is supported

The stainless steel loop

resists rust and pitting from sweat, rain, or laundry waterStainless steel spring longevity — corrosion_proofing

and the spring wire

has a fatigue limit that lets it endure thousands of stretch-and-release cycles without accumulating plastic deformationStainless steel spring longevity — fatigue_resistance

. However, the stretch spring loop is not designed to be replaced, as confirmed:

The stretch spring loop is not designed to be replaced; the entire stud is a single unit.Can the stretch spring loop be replaced if it loses elasticity, or is the entire stud disposable?
Collar compatibility

Fits both button-down and standard collars, and is invisible under a tie.

Why this is supported

For collar compatibility:

Yes, it works with button-down collar shirts. The extender attaches to the neck button (the top button), which is present on both standard point collars and button-down collars.Will this work with button-down collar shirts, or only with standard point collars?

Additionally, the stud

occupies the exact spot of the collar button, which means any standard tie knot — four-in-hand, half-Windsor — fully hides itVisibility with ties and different collars — under_tie_concealment

.

Concealment

Fully hidden under any tie knot; works with button-down collars.

Why this is supported

The stud attaches at the collar button via its spring loop, sitting flush at the button location.

The stud occupies the exact spot of the collar button, which means any standard tie knot — four-in-hand, half-Windsor — fully hides it, and even when the knot loosens slightly the small dark dot is unlikely to register as more than a shadow against the shirt.Visibility with ties and different collars — under_tie_concealment

The spring coil's active compression keeps the stud securely in place, and it works with button-down collar shirts.

Yes, it works with button-down collar shirts. The extender attaches to the neck button (the top button), which is present on both standard point collars and button-down collars. It does not interfere with the collar point buttons.Will this work with button-down collar shirts, or only with standard point collars?
Black dot

Black dot finish may chip with friction or washing.

Why this is supported

The black dot is a decorative finish; the brand warns that

such decorations can chip with friction or washingIs the black dot decoration painted or embedded? Will it chip or fade with regular use or washing?

. The stainless steel spring loop is corrosion-resistant:

The exposed stainless steel loop resists rust and pitting from sweat, rain, or laundry water;Stainless steel spring longevity — corrosion_proofing

. The manufacturer advises

For best longevity, gentle handling is recommended.Is the black dot decoration painted or embedded? Will it chip or fade with regular use or washing?

and states

We don't have specific durability infoIs the black dot decoration painted or embedded? Will it chip or fade with regular use or washing?

, meaning no formal warranty on the finish.

Replaceability

The spring loop is not replaceable; the entire stud is a sealed unit.

Why this is supported
The stretch spring loop is not designed to be replaced; the entire stud is a single unit.Can the stretch spring loop be replaced if it loses elasticity, or is the entire stud disposable?

so the stud is essentially a single-use item, though its durable construction may delay replacement.

Fit

Fits both collar types and hides under standard tie knots.

Why this is supported
Yes, it works with button-down collar shirts. The extender attaches to the neck button (the top button), which is present on both standard point collars and button-down collars. It does not interfere with the collar point buttons.Will this work with button-down collar shirts, or only with standard point collars?

The stud also remains fully concealed under standard tie knots such as four-in-hand or half-Windsor, making it suitable for professional or formal wear without altering appearance.

Aesthetic longevity

Black dot decoration may chip with friction or washing.

Why this is supported
The black dot decoration is likely painted or enameled. We don't have specific durability info, but such decorations can chip with friction or washing.Is the black dot decoration painted or embedded? Will it chip or fade with regular use or washing?

While the functional spring may remain intact, the stud's appearance could degrade if the dot chipping is undesirable.

Image Analysis

1 images
Collar extender stud product image (primary)
01

Product

A small metal collar extender stud composed of a domed circular head with a central dark circular aperture and an attached coiled spring loop used as the extender ring.

  • Head shapeDomed circular metal head with a concave depression leading to a central round aperture.
    1 regionx 0.12 · y 0.45 · w 0.42 · h 0.38 (high)
  • Central apertureSmall round central hole in the head with a dark interior contrasting with the reflective head surface.
    1 regionx 0.28 · y 0.59 · w 0.12 · h 0.12 (high)
  • Surface finishHighly reflective polished metal finish on the head showing soft highlights and minor surface texture.
    1 regionx 0.12 · y 0.45 · w 0.42 · h 0.38 (high)
  • Coiled loopFlexible loop formed from tightly coiled metal wire attached to the head, forming an open ring shape.
    1 regionx 0.46 · y 0.38 · w 0.42 · h 0.36 (high)
  • Attachment pointThe coiled loop connects to the head at a small offset on the head's rim; connection area visible where coils meet the head.
    1 regionx 0.44 · y 0.56 · w 0.18 · h 0.18 (medium)

Other

Studio-style product shot on a plain white background with soft shadow beneath the product; light comes from above-left creating subtle highlights and reflections on the metal.

  • BackgroundUniform white background with no visible packaging or props.
  • Lighting and shadowSoft directional lighting from the top-left producing gentle shadow below and to the right of the product and specular highlights on the head.
  • Shot compositionProduct centered and photographed at a slight angle so the head faces forward and the coiled loop extends toward the upper-right of the frame.
  • Image qualitySharp focus on product with minimal noise and a shallow shadow; no legible text or labels visible in the image.

Colors

polished silver· head#CBCBCCdeep black· central aperture#3D3C3Dbrushed silver· coiled loop#ADAAA4

Customer Reviews

2 total
3

2 reviews · out of 5

Utilisation une fois seulement

yoan g.

Le bouton a été fonctionnel une fois seulement car le ressort est trop fragile et a étiré. 9$ au poubelle

Work perfect

Anonymous

Work perfect

Provenance

Merchant Link
https://www.simons.ca/en/men-accessories/clips-cufflinks-brooches/cufflinks/collar-extender-stud--8437-92?colourId=0
Updated