Easy Wide Leg Pants Sewing Pattern Tutorial
Today, I have a wide leg pants sewing pattern for you, with a side slit detail.
I used 36 inch (91 cm) wide viscose for them but if you want your pants to be longer than mine, you will need a wider fabric.
The elastic webbing waistband is visible, so you’ll want to get it in a toning or complementary color to the fabric.
The measurements I give are for size 38 European, or Medium.
Tools and materials:
- 60 inches (144 cm) of 36 inch (90 cm) wide fabric
- 3 inch wide elastic webbing
- Tailor’s chalk
- Measuring tape
- Ruler
- Pins
- Scissors
- Iron
- Sewing machine
- Serger (optional)
1. Cut out the pants
Fold your fabric in half widthways and in half again. Lay it flat with the open edges away from you. Your folded fabric should measure 36 inches (90 cm) wide by 15 inches (38 cm) long.
Draw a line across the fabric 12 inches (30 cm) from one short edge.
Mark 10.5 inches (27 cm) along the same edge from the folded edge and connect it to the line. Draw a curve where the two lines intersect on the smaller rectangle, for the crotch seam.
Measure and mark 2 inches (5 cm) along the other short edge from the folded edge and a second mark 9 inches (23 cm) from that.
Join the first mark to the start of the first line you drew with a straight line. Join the second mark to the end of the crotch seam curve.
Cut out the pants shape and cut along the fold at the center back.
2. Shape front piece
Separate the top two layers. Measure 2 inches (5 cm) from the top edge at the crotch seam. Taper to the center front seam and cut out, to shape the front waist.
Cut a 1 inch (2.5 cm) strip from the front inner leg seam.
3. Side slit
Serge or overlock stitch all the raw edges.
Lay one front piece over one back piece, matching the outer side seams.
Measure and mark 18 inches (45 cm) up the side seam from the bottom edge, for the side slit.
Pin the side seams together from the mark to the top edge.
Sew the seam from the top edge to the mark, taking a half inch (1 cm) seam allowance.
Turn the edges of the slit to the wrong side by the same width as the seam allowance and sew in place. Sew across the top of the slit.
Repeat for the other half of the pants.
Press the seams open.
4. Assemble the pants
Place the two halves of the pants together with the right sides facing and sew the two crotch seams.
Fold the pants so the crotch seams are in the center and sew the inner leg seams.
Turn up and sew a single hem at the end of the legs.
5. Waistband
Cut your elastic webbing to fit comfortably around your waist, with a slight overlap.
Join the two short ends and overlock the edges several times.
Fold the seam to one side and sew it down so it lies flat.
Mark the elastic into four equal sections.
With the elastic seam at the center back, pin the wrong side of the elastic to the seams of the pants on the right side, at the quarter marks.
Sew in place on the right side, stretching the elastic between the pins as you sew.
DIY wide leg pants
These are so quick to sew and very cool for summer. You could modify the pattern by adding pockets in the side seams or making the slit longer or shorter.
I hope you enjoyed seeing how to sew pants my easy way. I have lots more patterns and sewing tips and tricks for you on TikTok as well. Please follow me there too: @tugbaisler
Next, check out my post on How to Make Cute Wrap Pants That'll Keep You Cool This Summer.
Enjoyed the project?
Suggested materials:
- 60 inches (144 cm) of 36 inch (90 cm) wide fabric
- 3 inch wide elastic webbing
- Tailor’s chalk
- Measuring tape
- Ruler
- Pins
- Scissors
- Iron
- Sewing machine
- Serger (optional)
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