Gütermann Maraflex Elastic Thread – 150m – 373 Indigo
Achieve professional-grade stretch and recovery with the deep, timeless hue of Gütermann Maraflex in 373 Indigo. This specialized elastic thread is a revolution for garment construction, allowing you to sew highly flexible seams on a standard domestic sewing machine using a simple straight stitch. Engineered to move in total harmony with your fabric, Maraflex ensures that your seams won't snap or "pop," even in high-tension areas like necklines, waistbands, and athletic cuffs.
The 373 Indigo colorway is a rich, midnight blue that sits perfectly between a classic navy and a traditional denim blue. It is an essential shade for working with dark-wash stretch denim, navy jerseys, and nautical-inspired knitwear.
Why Gütermann Maraflex is a Sewing Essential
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Exceptional Elongation: Developed specifically to expand and contract along with the fabric, providing up to double the stretch of standard polyester threads.
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The "Straight-Stitch" Revolution: By using Maraflex in both the needle and the bobbin with reduced tension, you can avoid bulky zigzag stitches and achieve a flat, retail-quality seam.
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Deep Indigo Pigment: Color 373 is a saturated, sophisticated blue that maintains its richness through frequent washing—ideal for daily-wear garments and denim.
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Micro Core Technology (MCT®): Gütermann’s unique manufacturing process produces a silky-smooth, lint-free thread that prevents skipped stitches and protects your sewing machine.
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Versatile Fabric Pairing: The perfect partner for light-to-medium weight jersey, interlock, ribbed knits, and fabrics containing elastane (Spandex/Lycra).
Perfect For:
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Stretch Denim & Jeggings: Ideal for invisible repairs or construction where a flexible, high-recovery seam is required for a comfortable fit.
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Activewear & Athleisure: Essential for leggings, sports tops, and performance gear where seam durability is critical for range of motion.
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Jersey Apparel: Perfect for finishing necklines, hemming T-shirts, and sewing side seams on navy or dark blue knit dresses.
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Children’s Clothing: Provides the necessary "give" for easy dressing while being strong enough to withstand playground wear and tear.
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Underwear & Lingerie: Creates a soft, flexible seam that sits flat against the skin without digging in.
Technical Specifications
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Brand: Gütermann
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Range: Maraflex
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Color Code: 373 (Indigo)
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Length: 150m / 164 yards
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Material: 100% PBT (Polybutylene Terephthalate)
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Recommended Needle: Jersey/Stretch Needle NM 70–80
Pro Tip: For maximum elasticity, use Maraflex as both the top and bobbin thread. Adjust your machine to a light thread tension and a stitch length of 3.0 to 4.0 to unlock its full stretch potential.