Fit, measuring and alterations · 8 October 2026 · 3 min read
Why do buttons gape at the bust, and how to stop it
Buttons gape at the bust when the front has too little room or no button sits at the fullest point. Why it happens on shirt dresses and kurtas, and what to ask for.
InspirationThe short answer
Buttons gape at the bust for two reasons that usually arrive together: the front of the garment has too little room across the fullest part of your chest, and the nearest buttons sit above and below that point instead of on it. Where a button is not holding the two edges together, the strain pushes them apart and a small oval of whatever is underneath shows through.
It is the same problem on a shirt dress, a front-open kurta, a blouse or a coat-style abaya. The fix is also the same: enough room, a button in the right place, and sometimes a fastening that hides the gap altogether.
Why the gap opens exactly there
A button front is two edges laid over each other and pinned at intervals. Between the pins the edges are free. When the bust pushes the fabric forward, the pull runs sideways across the chest, and any free stretch of edge bows outwards. The gap is widest when the fullest point falls halfway between two buttons, which is very often the case on ready-made clothes, because the spacing is set on a standard pattern and nobody checks where your bust actually sits.
Ready-made sizes also assume a fixed relationship between bust, back width and waist. If your bust is fuller than your size expects, the garment can fit your shoulders and waist and still be short of room at the front. Sitting down or reaching forward makes it worse, since the back widens and takes fabric from the front.
Four ways to stop it
None of these needs a change of style. They are details to ask for when the garment is made to your measurements.
- More room at the bust. A button front cannot stretch the way a pull-on kameez can, so it needs a little more ease. Many dressmaking patterns allow roughly 5 to 10 cm (2 to 4 inches) over the full bust for a shirt, and more for a relaxed cut. Ask for “extra ease at the bust for a button front”.
- A button at the fullest point. The spacing is planned outwards from your bust line, so one button holds the edges exactly where the strain is greatest.
- Closer spacing. Smaller gaps between buttons leave shorter free edges. Small buttons set close together also look neat on a kurta placket.
- A concealed placket. A fly front hides the buttons behind a fold of fabric, so even a slight gap stays out of sight. It suits plain shirt dresses and workwear.
What to measure and send
Give your full bust, waist and hips as described on our size guide, then add two numbers that only matter for button fronts: the distance from the highest point of your shoulder, next to the neck, down to your bust point, and the distance between your two bust points. Together they tell us where the fullest line falls, so the button spacing can start from it. A note such as “button fronts always gape on me” is worth more than you might think.
If you own a button-front top or dress that lies flat, you can use it as your reference. Our guide to kurta plackets and buttons shows the placket and button choices, and you can read how to send a sample kameez for us to measure.
Our button-front shirt dress can be ordered made to measure instead of in a standard size, which is the simplest way to have its front cut to your bust. For any other button-front piece, ask for a quote with a photo of the style; the custom stitching page explains how measurements and design details are agreed in writing before cutting.
Common questions
Should I just buy a size up?
Sizing up adds room at the bust, but it also adds it at the shoulders, waist and sleeves, so the rest of the garment may hang loose. Cutting to your own measurements adds room only where you need it.
Do press studs between the buttons help?
On a garment you already own, a small press stud sewn between two buttons can hold the edges flat, and many people do this at home. It does not create room, though, so if the front is genuinely tight the fabric will still pull.
Does the fabric make a difference?
Yes. A crisp cotton shows every pull as a visible gap, while a soft, drapey fabric hides small strain better. The room and button placement still matter in both.
