Shirring vs smocking: what is the difference?

How shirring works

Elastic thread is wound onto the bobbin of a sewing machine while ordinary thread runs through the needle. Each row of stitching pulls the fabric up, and rows are usually sewn about a centimetre apart until the panel is the depth wanted. Because the fabric is gathered, the flat piece before shirring is roughly one and a half to two times the finished width.

Shirring suits light, soft cloth: lawn, cotton voile, viscose and chiffon handled with care. On heavy fabric such as khaddar or velvet the elastic cannot pull the cloth in, so it gives a lumpy band rather than neat ripples. Elastic thread also loses spring over time with heat and repeated washing, which is why shirred cuffs on an old top can look tired.

How smocking works

Hand smocking starts by gathering the fabric evenly into rows of small folds, traditionally marked with a grid of dots. The smocker then works stitches such as cable, wave and honeycomb across the tops of the folds. Honeycomb has the most give; cable stitch holds the folds firmly. The result is a textured band, often in a contrast thread, that reads as embroidery.

It is slow work and uses a lot of fabric, around three times the finished width. Machine versions exist, as does “mock smocking”, where the fabric is stitched and drawn up in a diamond or honeycomb pattern without true pleating first.

Where each appears on a kurti or dress

Both details turn up in the same few places. The difference is whether the area needs to stretch over the body or simply look decorative. Our sleeve styles pages show the sleeve shapes these details sit on.

• Sleeve cuffs: shirring at the wrist or above the elbow makes a puff or bishop-style sleeve that pushes up easily. Smocked cuffs look neater but stretch less over the hand.
• Waist or back panel: a shirred panel at the back waist of a dress pulls it in without a zip. Smocking here is decorative and does not replace a fastening.
• Yoke or bodice: a smocked yoke is the classic place for embroidery-style smocking; a shirred bodice gives a close fit over the bust that stretches.
• Neckline or shoulders: a shirred band can gather a wide neckline. It needs a stable fabric and accurate measurements to sit where you want it.

Telling which one is in your photo

Zoom in on the picture. Rows of fine parallel stitching with soft, irregular ripples are shirring. A visible pattern of stitches in diamonds or zigzags over neat little folds is smocking. A smooth band with a channel and gathers below it is a third thing altogether, an elastic casing.

Send the photo with your enquiry and say which you think it is. Whether either detail can be made on your fabric and in your design is confirmed in the written quote, so do not assume it until you see it there. The Send Your Design service explains what to include, our guide to briefing a tailor with screenshots helps with the photos, and you can start a design quote when ready.