Flat Felled Seam

A strong and durable seam with a clean finish on both sides. Often seen on the inseam of jeans. The is both a seam and seam finish in one, with a seam being sewn and the raw edges of the seam allowance being enclosed through the process of creating the seam.

1. Sew seam with minimum 1.5cm seam allowance with fabric wrong (inside) sides together.
2. Trim one of the seam allowances to 0.5cm.
3. Fold the wider seam allowance over the other and fold under the raw edge 0.3cm.
4. Top stitch the folded edge of the seam allowance down to the self fabric.