Overlock seam

A garment seam with multi-thread edge finish that trims and encases raw fabric in one pass—the overlock form on dress assembly, distinct from [[serged-seam|Serged seam]] as related cousin and from [[bound-seam|Bound seam]] without overlock naming.

How to recognize it

Overlock seam shows looped thread encasing a trimmed raw edge on knit or woven seam allowance.

Serged seam is the related cousin term. Bound seam names a different joinery method.

Origin and history

Seam articles name overlock joinery on garment assembly.[1] Overlock documents overlock construction on cotton.[2] Sewing contrasts overlock and related finishes.[3] Construction photography documents overlock reference.[4]

Overlock seam reads on tailored and ready-to-wear dress.[2] Overlock seam differs from related seam cousins.[1] Contrast with batch-28 silhouette cousins on proportional outline.[3]

Today overlock seam appears on overlock knit dress, jersey side seam, RTW garment edge, and stretch fabric construction in silk and wool.[1][2] Clean finish needs even stitch line.[4] When multi-thread edge finish that trims and encases raw fabric in one pass—overlock seam applies.[2]

Where it is used

Overlock knit dress, jersey side seam, RTW garment edge, and stretch fabric construction.[2]

What is worn now

Editorial styling suggestions from MsDressly—not strict rules.

Overlock seam pairs with pressed seam allowance on structured bodice.[2]

How it differs

Serged seam is related cousin. Bound seam names different finish. Compare gold anchors flat-felled and French.[1]

Expression and impression

Overlock seam reads durable, clean-finished, and construction-specific.

Common questions

Overlock seam vs serged-seam? Serged seam is related cousin; overlock names specific form.[1]

Overlock seam vs bound-seam? Bound seam lacks overlock naming.[2]

Overlock seam modern? Yes on overlock knit dress.[2]

Often confused with

Sources

  1. Seam . Wikipedia Joinery methods that connect fabric panels in garment assembly.
  2. Overlock . Wikipedia Multi-thread edge finish that trims and encases raw fabric edges.
  3. Sewing . Wikipedia Hand and machine techniques for joining and finishing textile edges.
  4. File:Overlock stitch.jpg . Wikimedia Commons Overlock stitch encasing raw fabric edge; CC BY-SA 3.0.

Written by MsDressly Editorial

September 28, 2026