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No.9657: SiTEX®-Powered Performance Fabric for Elite Athletes

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This lightweight sport fabric combines 4-way stretch with Hitek’s patented FIR technology, reflecting 90–95% of far infrared rays to boost blood flow, enhance recovery, and redefine performance comfort.
 
 
  • Composition: 91% Nylon, 9% Spandex
  • Width: 58"/60"
  • Weight: 190g/y (136gsm)
  • Technology: S/J SiTEX® patented yarn
  • 9657

  • Hitek

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Redefine Your Athletic Edge with Science-Backed Wellness


Because Greatness Demands More Than Ordinary Fabric

Featherlight Stretch Mastery: 

91% nylon knitted with  9% spandex  offers unrestricted 4-way stretch, ideal for high-intensity training or endurance sports where every movement counts. The lightweight 136gsm construction feels like a second skin, never weighing you down.

SiTEX® Infrared Revolution: Infused with Hitek’s US & Taiwan-patented FIR technology, this fabric turns body heat into therapeutic far infrared waves. Reflecting 90–95% of FIR rays, it enhances blood circulation to muscles, accelerating recovery and reducing fatigue during and after workouts.

Permanent Performance Promise: Unlike temporary treatments, the FIR functionality is embedded in the SiTEX® yarn, maintaining effectiveness through 50+ washes. Your gear stays as powerful as the day you first wore it, season after season.




Engineered for Every Athletic Pursuit


Where Wellness Meets Uncompromising Performance

Revolutionary Feature

How It Transforms Your Routine

90–95% FIR Reflectivity

Converts body heat to 4-16μm waves for improved oxygen delivery and muscle repair

Adaptive Moisture Wicking

Nylon-spandex blend pulls sweat away quickly, keeping you dry during peak exertion

Thermal Regulation

Maintains optimal body temperature in both hot and cold conditions




Versatility for the Driven Athlete


From Training to Competition, Always at Your Best

High-Intensity Training: Compression-like stretch supports muscles during HIIT, while FIR technology reduces post-workout soreness.

Endurance Sports: Lightweight design and breathability make it perfect for marathons, cycling, or triathlons.

Outdoor Adventures: Moisture-wicking and thermal control keep you comfortable in changing weather conditions.




Hitek – Pioneering the Future of Functional Textiles


At Hitek, we believe in textiles that empower athletes. No.9657 isn’t just fabric—it’s a performance partner, blending innovation, wellness, and durability. “Powered with FIR. Trusted by Hitek.”Ready to Unleash Your Full Potential? Contact Hitek for samples of No.9657 and discover how SiTEX® technology can elevate your sportswear line. Let’s create gear that helps athletes perform better, recover faster, and feel stronger.





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