French Seam

A French seam encloses the raw fabric edges within two lines of stitching, leaving no visible fraying. With a neat, polished inside finish, it is ideal for lightweight or sheer fabrics. This seam is often found in lingerie, blouses, and delicate garments where appearance matters inside and out.

Main Properties

  • Resistance: Very good.
  • Versatility: Good.
  • Flexibility: Poor. 
  • Elasticity: Poor. 
  • Cost: Medium. 
  • Others:
    Neat finishing on the inside.

Common Uses

  • High-end garments.
  • Sheer fabrics.
  • Side seams of shirts and tops.

Related Seams

Step By Step

Step 1

Stitch

Sew the fabric along the seam allowance and facing the right sides together.

Step 2

Fold Out

Open the seam towards the right side.

Step 3

Topstitch

Sew along the edge of the seam.

Step 4

Open Up

Open up the seam

Step 5

Final

Facts

  • Also called “Closed Seam” or “Encased Seam.”
  • Ideal for lightweight or sheer fabrics.
  • Neat finish with no visible raw edges.
  • Often used in lingerie and delicate blouses.
  • Stronger and more durable than a plain seam.
  • Requires two steps when sewn at home.
  • Gives garments a refined, high-quality interior.