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Flatlock Seam Leggings

Using a flatlock seam on yoga pants will not only create a more comfortable tight fit but will also help reduce chafing by eliminating the fabric seams on the inside of the garment.

In this class, you will learn how to set up your serger and tensions for a flatlock stitch on four-way Mandalay Performance stretch knit fabric. In this class, we will have samples of this fabric to test stitch and review the pattern. We will review the pattern and alternate design plans and start on the cutting out the pattern.

Due to the fact that you will need to pre-wash your fabric, we will not be able to start stitching the yoga pants itself.  

This class was designed specifically for Baby Lock sergers. You are welcome to bring another brand of serger to this class but you will need to bring your user manual and the proper attachments for creating a flatlock stitch and a cording foot. Without the proper attachments, there is no guarantee we will be able to cover the curriculum on your specific serger. If this is the case, you will have the option to use one of our sergers to complete the class curriculum.

Skill Level: Beginner
Skill Details:

Ages 15+

Must know how to do basic serger operations such as threading and tension adjustments. If you are new to sergers, you must take Intro to Sergers first.

Materials Included:

All materials needed for this class can be purchased for an additional $70. If you opt to only pay for the class, these are the materials you will need to bring:

  • Style Arc Laura Knit Leggings pattern
  • 2 yds Mandalay Performance Knit, darkness
  • 1 yd Mandalay Performance Knit, blackberry
  • 3 spools Maxi-Lock all-purpose black serger cones
  • 1 spool Maxi-Lock stretch black serger cone
  • 1 1/2 yd 1 in elastic

Additional items you will need but are offered at classroom stations include:

  • Serger
  • Pins (included at classroom station)
  • Fabric Marking tool (included at classroom station)
  • Measuring tape (included at classroom station)
  • Sewing gauge (included at classroom station)
  • Ruler (included at classroom station)
  • Shears (included at classroom station)
  • Rotary Cutter (included at classroom station)
  • Cutting Mat (included at classroom station)

Cancellation Policy

A Student may cancel a class registration via email ( or by phone at 214-358-3549.

Cancellations with more than 3 days prior notice may request a full refund. Cancellations received 1 - 3 days before the class will receive credit towards another class. Any cancellations on the day of the class cannot be refunded or transferred.

Read our full Classroom Policies here.

$60 Class + $70 Materials
(including materials with the class fee is optional)

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Included Materials



This class cannot be purchased online. Please contact the store for more information.