Gutermann MaraFlex 120 Stretch Thread - Tex 38 - 1,640 yds. - #1274

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$11.55 - $12.33

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Gutermann Professional thread products.

Gutermann MaraFlex 120 comes with 1,640 yards and is Tex 38. It is a is a continuous filament thread that offers maximum seam elasticity for woven stretch applications. Used in chainstitch or lockstitch machines. It is suitable for stretch woven fabrics used in garments that fit close to the body and demand motion or stretch, like trouser seats. It's ideal for visible elastic decorative seams and highly-elastic woven and knitted textiles. This thread is not recommended for use in an overlock or serger. Available in a variety of colors. Please note: actual colors may vary from picture due to computer setting variances.


  • Ideal for stretch woven fabrics that fit close to the body and demand motion
  • Use in lockstitch or chainstitch machines
  • 100% PPT (polytrimethylene terephthalate)
  • Tex 38

Product Specifications

Brand: Gutermann
Units: Each
Material: Polytrimethylene Terephthalate (PPT)
Size / Dimension: 1,640 yds., TEX 38

Gutermann Specialty Threads

Looking for a high quality specialty thread? Find a professional-quality Gutermann Thread for more specific needs, including metallic, elastic, and fusible threads. For help deciding which Gutermann Thread is best for your project, download our full Gutermann Thread Guide to decide which Gutermann thread works best for you.


Gutermann Thread Spools

Get to Know Gutermann Threads

Gutermann Threads are professional quality sewing threads for any project, from embroidery to upholstery and everything in between. Gutermann Mara Thread is the most wide ranging with tex weights from 13 all the way to 100. The Mara number doesn't match the tex, so be sure to check the product details for that information. If you're searching for the best all purpose thread, then look no further than our best-selling Gutermann Mara 100 Thread.


What is Tex Weight?

It’s common to see threads labeled with a “Tex” Number. But what does that number mean? Tex, or Tex Weight, is a standard way of measuring thread weight that’s deceptively easy to understand: the higher the Tex, the thicker the thread. That’s all there is to it!

A thread’s Tex is equal to the weight in grams of 1000 meters of that thread, so a heavier thread has a higher Tex. For example, if 1000 meters of a thread weighs 30 grams, it is Tex 30. Typical light-weight sewing threads range from Tex 8-25, medium-weight sewing threads are Tex 25-40, and heavy-weight sewing threads are Tex 40 and up.

We know that sewing thread weights can be confusing, so we put together a handy chart of some equivalents between commonly used thread weights to help you find the perfect match. Find an estimated equivalent on the chart below, or convert a thread weight on your own using our thread conversion chart.

Thread Weight Chart