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Sewing concept

Seat seam assembly

The process of joining the left and right pant legs along the crotch curve.

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Where it is used

Seat seam

p. 17
  1. Pin the seat-seam edges of the pant legs together, matching the raw edges and notches, with right sides facing.
Seat seam
Open the step in the "Barrel Leg Pants Pattern PDF | Balloon Trousers Sewing | High Waisted Pleated Pants | Tapered Womens Bottoms | XS-M" pattern →

Seat seam

p. 17
  1. Stitch the seat seam with a double row of stitching, catching the fly seam allowances at the same time. Seam allowance: 1.0 cm.
Seat seam
Open the step in the "Barrel Leg Pants Pattern PDF | Balloon Trousers Sewing | High Waisted Pleated Pants | Tapered Womens Bottoms | XS-M" pattern →

Seat seam

p. 18
  1. Overcast the seat seam allowance.
Seat seam
Open the step in the "Barrel Leg Pants Pattern PDF | Balloon Trousers Sewing | High Waisted Pleated Pants | Tapered Womens Bottoms | XS-M" pattern →

Seat seam

p. 18
  1. Press the seat seam allowance toward the right pant leg, 10.0 cm down from the top edge of the pants.
Seat seam
Open the step in the "Barrel Leg Pants Pattern PDF | Balloon Trousers Sewing | High Waisted Pleated Pants | Tapered Womens Bottoms | XS-M" pattern →

Seat seam

p. 19
  1. Press the seat-seam allowance on the inseam section on edge.
Seat seam
Open the step in the "Barrel Leg Pants Pattern PDF | Balloon Trousers Sewing | High Waisted Pleated Pants | Tapered Womens Bottoms | XS-M" pattern →

Sewing Crotch Seam

p. 6
  1. Sew the crotch seam on a serger. Press the seam, then on the straight sections, press the seam allowances so the right side of the serged stitch faces you.
Sewing Crotch Seam
Open the step in the "Front Pintuck Trousers Pattern | Elegant High Rise Office Pants | Tailored Flared Slacks PDF | Womens Sewing XS-M" pattern →

Sewing Right Side Seam

p. 6
  1. Fold the right leg piece right sides together, aligning the side seams. Pin along the side from the front piece. Serge the seam, stitching from the front piece side. Press the seam, then press the seam allowance toward the back piece.
Sewing Right Side Seam
Open the step in the "Front Pintuck Trousers Pattern | Elegant High Rise Office Pants | Tailored Flared Slacks PDF | Womens Sewing XS-M" pattern →

Pinning Crotch Seam

p. 6
  1. Leave one pant leg turned right side out, and turn the other inside out. Place one leg inside the other, right sides facing, and align the crotch seam. Pin in place.
Pinning Crotch Seam
Open the step in the "Front Pintuck Trousers Pattern | Elegant High Rise Office Pants | Tailored Flared Slacks PDF | Womens Sewing XS-M" pattern →

Step 16

p. 7
  1. Join the right and left pant legs along the seat seam with a double stitch: sew one way first, then go back, placing the second stitch 1.0 mm from the first.
Step 16
Open the step in the "Front Slit Pants Pattern PDF | Cutout Trousers Sewing | Split Hem Flare Pants | Y2K Festival Bottoms | Trendy Womens Sewing XS-M" pattern →

15.4. Sewing seat seam

p. 14
  1. Sew the seat seam to the marked level where the closure begins. Seam allowance: 1.0 cm.
15.4. Sewing seat seam
Open the step in the "High Waisted Flare Jeans Pattern PDF | Front Seam Bootcut Pants | 70s Retro Trousers | Womens Denim Sewing | L-XXL" pattern →

15.7. Pressing seat seam

p. 15
  1. Press the seat-seam allowance on the back pieces over a 10 cm section. Along the inseam area, press the seat-seam allowance open (on edge).
15.7. Pressing seat seam
Open the step in the "High Waisted Flare Jeans Pattern PDF | Front Seam Bootcut Pants | 70s Retro Trousers | Womens Denim Sewing | L-XXL" pattern →

15.4. Sew seat seam

p. 14
  1. Sew the seat seam to the marked level where the closure begins. Seam allowance: 1.0 cm.
15.4. Sew seat seam
Open the step in the "High Waisted Flare Jeans Pattern PDF | Front Seam Bootcut Pants | 70s Retro Trousers | Womens Denim Sewing | XS-M" pattern →

Related terms

requiresDouble seat seam stitch