Threads

In-house processing from raw material, twisting, texturing, dyeing, coating, and finishing with 1,000 ton capacity.

→ Spun Polyester
→ Recycled Spun Polyester
→ Performance Spun Polyester
→ Polyester Core Spun
→ Poly Cotton Core Spun
→ Textured Polyester
→ Textured Nylon
→ Polyester Embroidery
→ Fire Retardant

Harnest Threads Macro Red

Spun Polyester

Our extremely durable staple spun polyester sewing threads are ideal for industrial sewing and versatility.

  • Casual garments (t-shirts, dresses) with light-medium knits or wovens for reliable, colorfast seams. High speed production, used for fashion apparel, denim and workwear (medium to extra heavy fabric).

    • Durable & Abrasion-Resistant: Resists wear and tear for longer-lasting seams.

    • Stable Under Tension: Maintains consistent stitches with minimal stretch.

    • Colorfast & Fade-Resistant: Preserves the vibrancy of your designs, even after repeated laundering.

    • Versatile & Easy to Work With: Ideal for both hand and machine sewing on a variety of fabric types.

    • Cost-Effective & Reliable: Delivers professional results without sacrificing affordability.

    • Removes anti static charge build up due to friction etc

Harnest Thread Macro Beige

Recycled Spun Polyester

Recycled staple spun polyester sewing thread provides a low environmental impact solution without compromising quality or performance.

  • Casual garments (t-shirts, dresses) with light-medium knits or wovens for reliable, colorfast seams.

    • Sustainable Manufacturing:Reduces plastic waste by giving new life to discarded materials.

    • Environmentally Responsible & Cost-Effective:Combines environmental responsibility with budget-friendly benefits.

    • Vibrant & Long-Lasting Color: Retains color brilliance to keep your products looking finished.

    • Versatile & Easy to Work With: Ideal for both hand and machine sewing on a variety of fabric types.

Harnest Threads Macro Green1

High Performance Spun Polyester

Engineered for exceptional stitching, production efficiency, and fewer breaks, with improved glide, absorbency, and consistency

  • Casual garments (t-shirts, dresses) with light-medium knits or wovens for reliable, colorfast seams.

  • Durable & Abrasion-Resistant: Resists wear and tear for longer-lasting seams.

    Stable Under Tension: Maintains consistent stitches with minimal stretch.

    Colorfast & Fade-Resistant: Preserves the vibrancy of your designs, even after repeated laundering.

    Versatile & Easy to Work With: Ideal for both hand and machine sewing on a variety of fabric types.

    Cost-Effective & Reliable: Delivers professional results without sacrificing affordability.

    Reduce Thread Breakage 30-50%

Harnest Threads Macro Yellow 1

Polyester Core Spun

Great for enhanced strength and elasticity with a strong polyester filament core, wrapped with polyester.

  • Heavy-duty apparel (denim, workwear) in heavier woven fabrics requiring robust, low-break seams.

    • High-Tenacity Filament Core + Polyester Staple Wrap: Excellent seam strength and balanced stitch appearance.

    • Low Lint & Smooth Operation: Reduces machine maintenance and puckering.

    • Consistent Color & Dye Retention: Vibrant seams that endure frequent washing.

    • Ideal for Medium to Heavy Fabrics: Denim, workwear, and uniforms benefit from its superior durability.

Harnest Thread Macro White

Poly Cotton Core Spun

Poly cotton core spun sewing thread merges the natural comfort and aesthetics of cotton with the durability and strength of polyester.

  • Denim, uniforms, chinos, or medium-weight garments in cotton-blended fabrics needing soft feel plus strong, stable seams.

    • Polyester Core + Cotton Wrap: Combines high tensile strength with a softer, natural finish.

    • Heat-Friendly: Cotton wrap tolerates pressing and ironing on higher heat settings.

    • Low Friction & Smooth Sewability: Ideal for casual wear, shirts, chinos, and denim.

    • Matte Look & Soft Hand: Seamlessly blends with cotton-rich fabrics for a natural appearance

Harnest Thread Macro Teal

Textured Polyester

Textured polyester is formed through a specialized texturing process that creates elasticity and bulk that is stretchy and smooth.

  • Activewear, underwear, and knits demanding stretch, comfort, and seamless coverage with reliable elasticity.

    • Superior Stretch & Recovery: Ideal for knit garments, lingerie, and activewear.

    • Soft, Smooth Surface: Minimizes irritation for next-to-skin comfort.

    • Bulk for High Seam Coverage: Reduces gaps on stretchy or loosely woven fabrics.

    • Efficient, Low-Break Performance: Excellent in overlock and covers titch operations at high speeds.

Harnest Thread Macro Yellow

Textured Nylon

Bring a new level of premium performance to projects requiring both flexibility and luxury finishing with textured nylon sewing thread.

  • Swimwear, lingerie, or premium athletic wear on synthetic blends for ultra-soft, high-stretch seams.

    • Ultra-Soft & Stretchy: Provides comfortable, low-profile seams in lingerie, swimwear, and performance apparel.

    • Refined Appearance: Smooth finish complements premium fabrications.

    • High Resilience: Maintains seam integrity under repeated wash and wear.

    • Ideal for Luxury & Technical Gear: Balances strength with a soft hand-feel.

Harnest Thread Macro Grey

Polyester Embroidery

Vibrant color, lasting durability, and a silky sheen in every stitch—making it the top choice for both professional and hobbyist embroiderers alike.

  • Decorative stitching on activewear, sportswear, and casual garments.

    • Vibrant Color & High Sheen: Makes designs pop on garments or decorative items.

    • Smooth, Snag-Free Stitching: Glides easily through embroidery machines at high speed.

    • Fade-Resistant & Durable: Maintains clarity and brightness after repeated washes.

    • Versatile for Logos & Decorative Work: Suitable for uniforms, monograms, and home décor.

Harnest Thread Macro Orange.

Fire Retardant (Aramids)

Designed for high-risk environments, with flame-resistant aramid fibers that maintain integrity under intense heat.

  • Protective apparel (firefighter suits, industrial uniforms) in flame-resistant fabrics, ensuring seam integrity under extreme heat.

    • High Heat Tolerance: Reduces seam failure and burn risk.

    • Extreme Durability: Resilient and long-lasting under extreme conditions

    • Stability & Tensile Strength: Thermal stability and high tensile strength

With our LEED certified manufacturing facility, 100% of the water used to dye and finish our THREADS is recycled and reused in our zero-waste closed-loop system.

Harnest Threads Production White

The following attributes are applicable to all sewing threads in our product range:

  • Over 1,000 color reference library

  • Dyed-To-Match Customization (DTM)

  • Oeko-Tex Standard 100 Certified

  • Crafted with closed-loop dye & finish technology

  • GOTS Certified Organic Cotton Available

  • GRS Certified Recycled Polyester

With a capacity of over 1,000 tonnes per month, we have your thread production needs stitched up.

Explore more products

Harnest Covered Yarns Group 1.1.

→ Covered Yarns

Harnest Jacquard Elastics Group

→ Elastics & Tapes