Piping
Piping
A narrow cord covered in fabric, inserted into seams for decorative or structural definition in lingerie.
What Is Piping?
Piping is a finishing technique where a thin cord is wrapped in a strip of fabric (bias-cut so it curves smoothly) and sewn into the seam of a garment. The result is a clean, slightly raised line that runs along the seam — visible as a thin ridge or a contrasting colour accent. In lingerie, piping commonly appears along cup seams, the edge of bra bands, waistbands of panties, and vertical seam lines on corsets and bustiers.
Piping does double duty. Structurally, the cord adds a small amount of rigidity to the seam, which helps the garment maintain clean lines and sharp angles — particularly useful in cup seams where the fabric transitions from one panel to another. Visually, piping in a contrasting colour (black piping on a red bra, gold piping on black satin) outlines the garment's architecture, highlighting the design lines the way a frame highlights a painting.
Quality piping is consistent in width from end to end, with the cord centred inside the fabric strip. The piping should be sewn tightly into the seam so it does not twist or pull away. Where piping meets corners or curves, it should follow the line smoothly without bunching. Piping that uses bias-cut fabric (cut at 45 degrees to the grain) curves more naturally than straight-grain piping, which resists bending.
Sinderella uses piping as a finishing detail on structured pieces — corset seams, bra cup edges, and waistbands — where the contrast line adds visual precision and a premium feel.
How to Wear & Style
Piped lingerie is a strong choice when the piece will be seen — under an open blouse, as bedroom wear, or as an outerwear corset. The contrast lines photograph well and catch light in a way that flat seams do not. For under-clothing wear, piping creates minimal bulk and is unlikely to show through anything heavier than a thin jersey. No special care is needed — piping is durable and withstands machine washing inside a lingerie bag.
Lingerie Featuring Piping
Contrast-trimmed seams that outline the architecture of each piece — a hallmark of considered construction.
Browse Bra SetsFrequently Asked Questions
What is piping?
A narrow cord covered in fabric, inserted into seams for decorative or structural definition in lingerie.
Does piping add structure to a bra or just decoration?
Both. The cord inside the piping adds a small amount of rigidity along the seam line, which helps the cup hold its shape and creates cleaner lines. The fabric covering the cord adds a visual accent — often in a contrasting colour. In structured pieces like corsets, piping along vertical seams contributes meaningfully to the garment's rigidity and shaping.
Will piping show through under tight clothing?
Piping creates a very slight raised line along the seam. Under medium-weight or structured clothing, it is invisible. Under very thin, clingy fabrics like jersey, the piping may create a faint line — similar to how an underwire shows through. If seamlessness is the priority, choose unpiped bras for those specific outfits.