Zassa trousers
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The Zassa trousers sewing pattern is the perfect choice for anyone who wants to create uncomplicated, timeless fashion . With its comfortable fit , tapered silhouette, and other small details, Zassa is a garment you won't want to be without in your wardrobe.
A special highlight is the elastic waistband , which offers extra comfort and ensures a relaxed fit. Our sewing patterns are generally characterized by their versatility , and Zassa is no exception. Whether you want to combine it with a casual T-shirt for a relaxed look or with a chic blouse for a touch of elegance, Zassa can be effortlessly styled with various outfits.
→ To the sewing pattern “Zassa”
Available as an ebook in A4, A0, projector format and as a single and multi-size pattern from 34-50.
Level : I'm good.
Material :
We recommend one Cotton sweatshirt fabric, elastic woven fabric or a Romanit.
Sizes 34-42
- Outer fabric 1.70m x 140cm wide
Sizes 44-50
- Outer fabric 2.50m x 140cm wide
You will also need:
35cm shaping tape
Elastic band 4cm wide
Elastic band length:
Size 34 - 40cm
Size 36 - 44cm
Size 38 - 48cm
Size 40 - 52cm
Size 42 - 56cm
Size 44 - 61cm
Size 46 - 66cm
Size 48 - 72cm
Size 50 - 78cm
CUTTING:
Cut out the pattern pieces from your outer fabric, lining fabric and interfacing .
All the cut pieces should be placed with the writing facing upwards.
Always align the grainline arrow in the same direction for all pieces and parallel to the selvedge of the fabric.
Transfer all notches from the pattern through a 3mm long snip with scissors or with chalk and mark the ends of the darts. Snip the seam allowance at the fold of the fabric, because this is always the center.
For all outer fabric pieces that will be completely covered with interfacing, it's best to first cut them roughly to size. After you've secured the interfacing, cut them out precisely.
Seam allowances are included - 1cm wide or as indicated by the marking notches!


You will need the following from the outer fabric:
- 2x front part, mirror image
- 2x back piece, mirror image
- 2x pocket bags, opposite each other
- 2x rear pocket strips, mirrored
- 1x waistband cut on the fold

You will need the following from the insert:
- 2x rear pocket strips, mirrored
Sewing instructions:
Seam allowances are included – 1 cm wide or as marked. Seam allowances not specifically marked are 1 cm wide!
To sew these trousers you will need a sewing machine and an overlock sewing machine, or alternatively the zigzag stitch of your sewing machine to finish the cut edges.
If you're using Romanit or sweatshirt fabric, be sure to use a jersey needle and a stretch stitch. If you're sewing with a domestic sewing machine, you should use either a zigzag stitch or a three-step elastic stitch. Afterwards, finish all seam allowances with a zigzag stitch or another suitable stitch to prevent fraying. The colored lines in the pictures, in addition to the written instructions, show you where to sew a seam or where to glue something.
When sewing, pay attention to the seam allowance included in the pattern. Seam allowances not specifically marked are 1 cm wide!
Have fun sewing!


Let's get started: the trouser legs are finished at the sides and the front and back crotch seams.

The pocket opening is covered with a bias tape on the left side of the fabric.

Now you can sew the pocket bag to the pocket opening, right sides together.


The seam allowances are then stitched down onto the pocket bag.

Fold the pocket bag right sides together along the fold line, close the pocket bag at the bottom and finish the seam allowance.
Then you secure the pocket bag with a basting stitch at the waist and side seams.

Now you make the belt loops. You finish one long edge, fold the unfinished edge over to the wrong side, and then fold the finished edge over it.

Then you topstitch close to the edge on both sides and divide the loops into 4 equal parts.


Now you can sew the belt loops onto the waist seam allowance of the front and back trouser legs at the markings.

Next, you process the pocket strips by folding them in half lengthwise, right sides together, and sewing along the sides.

Then they are turned right side out, the open edge is stitched together with a seam allowance of about 0.7cm, and the seam allowance is finished together.

Now, the strip is stitched right sides together according to the cutting mark, with the open edge facing upwards, onto the back of the trousers.

Then you fold the strip upwards and stitch the sides close to the edge.

The front of the trousers is sewn to the back of the trousers right sides together, and the seam allowance is pressed open.

In the next step, you close the inseam right sides together and iron the seam allowance open.
You should now have two identical trouser legs.


Now close the crotch seam. To do this, turn one pant leg right side out and insert it into the other, unturned pant leg. This way, the crotch seam will lie nice and straight, making it easy to sew. Make sure the inseams are perfectly aligned. Double-stitch this seam. Press the seam allowances open along the back crotch seam from the waist to the curve.

The "fake" fly is ironed to the right inside and then stitched all the way through from the right with a curve.

Now we come to the hem with the turn-up: In the next step, you first fold the hem upwards along the first/top fold line, then you sew a seam along the fold line with a 1cm gap.
Here I will show you, using a small example, how hem processing works in detail.
1.
2.
2.a. 
3.
4. 
- You fold the hem to the outer side of the fabric and stitch along the folded edge.
- Then you fold the hem down. (Image 2./2.a.)
- Next, fold the hem along the fold line to the inside. Sew 2-3mm above the first seam line on the top side of the fabric to secure the hem.
-
Now you can iron the hem upwards on the outer fabric side to cover the second seam.

Finished hem.

Now we'll work on the waistband. First, sew the back center seam right sides together and press the seam allowance open.

Then you fold the waistband lengthwise, wrong sides together, and sew the bottom edge together in the area where the elastic band goes.

You insert the elastic band and secure it at the beginning and end across the entire width of the elastic, then you stitch the elastic twice under tension.

Now you can close the rest of the bottom edge.

The waistband is sewn onto the trousers and the seam allowances are finished together.

Finally, all you have to do is fold the belt loops upwards and attach them to the waistband with sharp edges.
Your trousers "Zassa" are finished!
If you get stuck or have any questions, please feel free to contact us by email at info@schnittmuster-berlin.de. We will reply as soon as possible.
Have lots of fun with your new designer piece!
Sincerely, your Schnittmuster-Berlin team.