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How to sew a flat-felled seam

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Hardwearing, as on jeans.

How-toBeginner20 minutes
ResearchedSewSift editorialChecked Nov 1, 2026

Step by step

  1. Sew right sides together, leaving a good half-inch allowance or more.
  2. Press to one side and trim the under allowance to 1/4 in.
  3. Turn under 1/4 in on the wider allowance and press it over.
  4. Topstitch on the very edge. Double-stitch for extra strength.

Watch

Learn to Sew – How to Sew a Flat Felled Seam (8:38)
By Minerva · Open on YouTube

Chosen from its title and channel: an 8-minute video from Minerva on the same topic as this guide. Embedded from YouTube with credit; we don't host it. It only loads when you press play.

All guides ›Seam finishes

Sources

All checked November 1, 2026. We read these; we did not test the products ourselves.

  1. Threads Monthly: 21 seam finishes for knits and wovens
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