Fit, measuring and alterations · 8 October 2026 · 3 min read
Fabric pooling at the lower back: a swayback
Fabric pooling at the lower back? A curved lower back, or swayback, leaves a fold above the hips. How to tell it from a tight hip, and what to note on your order.
InspirationWhat the fold is telling you
A horizontal fold of fabric sitting just above your hips at the back usually means a swayback: a lower back that curves inwards more than a standard pattern allows. Your back is shorter between the waist and the top of the seat than the garment expects, so the spare length collects as a fold or ripple right in the hollow.
It is common and has nothing to do with size. It shows most on straight cuts in crisp fabrics and on fitted dresses, and least on loose, soft shapes.
Swayback or a tight hip?
A kameez that is too narrow at the hips can make similar wrinkles, because it rides up and bunches at the narrowest point above. The remedy is different, so tell them apart first. Stand side-on to a mirror, or ask someone to photograph your back, and try these checks:
- Pinch test: pinch the fold together at the centre back. If the back then hangs smooth and straight, the problem is spare length: a swayback.
- Pull-down test: tug the hem gently down at the sides. If the folds vanish and return when you let go, the kameez is gripping the hips and climbing.
- Read the lines: swayback folds are soft, horizontal and slack. Tightness shows as stretched, curving lines pulling towards the hips, often with the side slits dragged open.
- Watch the hem: with swayback the back hem often stands away from the body or kicks out. With a tight hip, the hem is hitched up and sits snug.
How a pattern is changed for it
In general tailoring, the usual remedy is to take a wedge out of the centre back at the waist, shortening the back there but not at the sides, so the garment follows the curve. On a kameez with a centre back seam or a back waist seam that is straightforward. On one cut as a single back piece, shaping darts at the back waist or a yoke or panelled back do the same job.
A softer, looser shape helps too. An A-line kameez skims past the hollow and falls from the seat, so any spare length hangs as drape instead of sitting as a fold. A-line or straight compares the two cuts.
What to note on your order
A short note does most of the work. Send your measurements from the size guide and add the points below. The custom stitching page explains both ways to order; request a quote with these notes, and the design and measurements are agreed in writing before cutting. If you are working from a reference photo, how to brief a tailor with screenshots shows what helps.
- “Curved lower back; a horizontal fold forms above the hips at the back.”
- Back waist length: from the bone at the base of the neck down to the natural waist at the back.
- Front waist length from the same bone, over the bust, to the waist.
- A side-on photo in a close top, if you are comfortable sending one.
- Whether you prefer back shaping or a looser cut that skims over the curve.
Common questions
Does a swayback affect trousers too?
Often, yes. The waistband may gape at the centre back while sitting well everywhere else, or the back rise feels too long. Mention it when ordering trousers as well, and give your waist measurement at the height you want the waistband to sit.
Will a belt or back tie hide it?
A back tie or belt gathers the spare fabric at the waist, so the fold becomes deliberate soft gathers. It is a design choice rather than a fit correction, but it works well on looser shapes.
Is a swayback the same as a curvy figure?
No. A curvy figure is about the difference between waist and hip measurements. A swayback is about the curve of the spine and the length of the back above the seat. You can have either without the other.