Weather Defender Fabric | U-long

As climate change drives more frequent and intense heatwaves, many people who are regularly facing heat stress during peak daylight hours or experiencing drastic day-to-night temperature swings. In these extreme environments, a WEATHER DEFENDER FABRIC to defeat extreme weather relies heavily on moisture-wicking, thermal regulation, and thermal insulation. U-long is a high-quality Weather Defender Fabric, Nylon high tenacity fabric, Durable stretch fabric, CORDURA® fabric, TPU lamination fabric, weldable fabric, workwear fabric, camouflage fabric. manufacturer from Taiwan since 1983.

Engineered for Smart Temperature Control & Microclimate Regulation across Temperature Fluctuations.

Active Protection for Extreme Environments: WEATHER DEFENDER FABRIC.

Active Protection for Extreme Environments: WEATHER DEFENDER FABRIC.
Active Protection for Extreme Environments: WEATHER DEFENDER FABRIC.

Weather Defender Fabric

Engineered for Smart Temperature Control & Microclimate Regulation across Temperature Fluctuations.

As climate change drives more frequent and intense heatwaves, many people who are regularly facing heat stress during peak daylight hours or experiencing drastic day-to-night temperature swings. In these extreme environments, a WEATHER DEFENDER FABRIC to defeat extreme weather relies heavily on moisture-wicking, thermal regulation, and thermal insulation.


Weather Defender Fabrics for Changing Conditions

Weather Defender fabrics for thermal comfort from 5°C to above 25°C

Cooling & Wicking Fabric—Select Comfortable Clothing for Summer

For summer environments, cooling and wicking fabrics provide improved air permeability, allowing heat and moisture to evaporate more easily for a lighter wearing experience. The fabrics also help reduce heat buildup from direct sunlight while providing UV protection.

HyperBreeze Ultra breathable and moisture-wicking fabric

HyperBreeze™ Ultra

  • Mini Hollow Structure
  • Air Permeability
  • Moisture Permeability
  • UV Cut
  • Abrasion Resistance—over 500,000 abrasion cycles
  • Comfort and Flexibility
  • Stretch
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HyperBreeze Elite breathable and moisture-wicking fabric

HyperBreeze™ Elite

  • Mini Hollow Structure
  • Air Permeability
  • Moisture Permeability
  • UV Cut
  • Abrasion Resistance—over 500,000 abrasion cycles
  • Comfort and Flexibility
  • Stretch
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HyperBreeze Lite breathable and moisture-wicking fabric

HyperBreeze™ Lite

  • Mini Hollow Structure
  • Air Permeability
  • Moisture Permeability
  • UV Cut
  • Comfort and Flexibility
  • Stretch
Micax cooling and moisture-wicking fabric

Micax®

  • High Cooling Efficiency—Q-max 0.31 W/cm²
  • UV Cut
  • Anti-static
How does extreme heat reduce worker productivity?

Worker productivity declines by approximately 2%–3% for every degree above 20°C, reducing operational efficiency and output.

What health risks do workers face during prolonged heat exposure?

Sustained heat exposure increases the risk of dehydration, heatstroke, kidney dysfunction, and neurological disorders.

Are indoor workers also vulnerable to extreme heat?

Yes. Heat stress affects both outdoor workers exposed to direct sunlight and indoor personnel working in hot, poorly ventilated factories.

How can stretch apparel stay breathable during high-intensity activity?

HyperBreeze™ is engineered with a mini-hollow structure that promotes airflow and moisture release, helping reduce heat and humidity buildup inside the garment while delivering a cooling effect for lasting comfort during high-intensity activity.

Can a lightweight, breathable fabric also deliver abrasion resistance and UV protection?

Yes. Made with 70-denier CORDURA® nylon, HyperBreeze™ Ultra and Elite provide UPF 20–50 protection and withstand more than 500,000 abrasion cycles while maintaining flexibility and comfort.

How does Micax® Fabric deliver high-efficiency cooling?

Micax® Fabric incorporates natural lamellar mica into the yarn. With over five times the thermal conductivity of polyester, mica’s layered structure and high moisture content help absorb and disperse heat efficiently, delivering measurable cooling performance with a Q-max value of 0.31 W/cm².

Which applications benefit most from HyperBreeze™ and Micax® fabrics?

Their breathable, stretchable, wrinkle-resistant, and abrasion-resistant performance makes them suitable for uniforms, travel blazers, extreme sportswear, golf apparel, and activewear.

Adaptive Thermal Regulation for 15–25°C Temperature Changes

Designed for mild-to-warm conditions with noticeable day-to-night temperature shifts, thermal-regulating fabrics combine moisture transfer, quick-drying performance, breathability, and lightweight air-chamber structures. They release excess heat and moisture during daytime activity while reducing evaporative chill and rapid heat loss as temperatures fall—maintaining a drier, more stable microclimate throughout the day.

EggCellenTex thermal-regulating and quick-drying fabric

EggCellenTex

  • Air Chamber Structure
  • Thermal Regulation
  • Quick Dry
  • Wicking
  • Breathable
  • Anti-Bacterial
  • Odor Free
  • Treatment-Free
  • Circular Economy
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HeiQ Smart Temp thermal-regulating and quick-drying fabric

HeiQ Smart Temp™ Fabric

  • Dynamic Cooling Control
  • Thermal Regulation
  • Quick Dry
  • Wicking
  • Moisture Management
Why do 15–25°C day-to-night temperature changes increase thermal stress?

The body must continually adjust its heat production and heat loss as temperatures change, resulting in unstable thermal comfort throughout the day.

Why do workers feel chilled after sweating or stopping activity?

Moisture accumulated during daytime activity continues to evaporate as temperatures fall, removing body heat and increasing the risk of post-activity chill, shivering, muscle stiffness, and fatigue.

Who is most affected by temperature fluctuations between 15°C and 25°C?

Outdoor workers and people engaged in high-intensity activities are particularly vulnerable because they frequently transition between sweating, resting, and falling ambient temperatures.

How does EggCellenTex turn eggshell waste into a lower-impact textile material?

EggCellenTex extracts calcium carbonate from discarded eggshells and incorporates it into high-performance yarn, transforming an abundant waste stream into a functional textile ingredient while supporting resource circularity and waste reduction.

What role does eggshell-derived calcium carbonate play in the fabric?

The natural mineral helps regulate temperature, manage moisture, inhibit bacterial growth, and reduce odor, supporting greater comfort throughout the day.

How does EggCellenTex deliver lasting performance without additional surface treatments?

Its functional properties are built directly into the fiber rather than applied as a surface treatment, providing breathable, quick-drying, thermal-regulating, antibacterial, and odor-control performance.

How does HeiQ Smart Temp™ dynamically regulate fabric temperature?

HeiQ Smart Temp™ uses heat-activated hydro-functional polymers that respond to body heat and perspiration. As temperature rises, the technology increases evaporative cooling; as the body cools, the cooling effect gradually scales back.

How much cooling can HeiQ Smart Temp™ provide across changing temperatures?

Rather than operating within a fixed temperature range, the technology adjusts dynamically to changes in body heat and moisture. According to HeiQ, it can lower fabric temperature by up to 2.5°C (4.5°F), depending on fabric weight and composition.

Can its dynamic cooling performance withstand repeated washing?

According to HeiQ, the technology can retain 100% cooling performance for up to 40 washes, supporting durable temperature regulation and long-term comfort.

Thermal Retention for 5–15°C Temperature Changes

Functional fabrics featuring a soft brushed surface help trap insulating air and reduce heat loss while maintaining breathability. This supports more consistent thermal comfort during transitions between active and stationary conditions. The result is a warmer, more stable microclimate for commuting, outdoor activities, and extended wear in changing temperatures.

Nylon thermal double-face brushed fabric

Nylon Thermal Double Face Brush Fabric

  • 4-Way Stretch
  • Thermal Retention
  • Double-Face Brushed
  • Soft Touch
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Polyester thermal double-face brushed fabric

Polyester Thermal Double Face Brush Fabric

  • 4-Way Stretch
  • Thermal Retention
  • Double-Face Brushed
  • Soft Touch
Why do wearers experience rapid heat loss when activity slows in 5–15°C environments?

When activity decreases or temperatures fall after sunset, the body produces less heat and warmth dissipates more quickly. This can lead to unstable thermal comfort during rest periods, waiting time, and low-intensity activity.

What type of fabric can reduce heat loss without causing excessive warmth during activity?

Breathable fabrics with a soft brushed surface trap insulating air and reduce heat loss while allowing excess heat to escape, supporting more consistent comfort during transitions between active and stationary conditions.

Who needs thermal-retention fabrics for changing temperatures and activity levels?

Construction, inspection, and logistics workers—as well as commuters, hikers, and campers—need adaptable thermal retention when moving between indoor and outdoor settings or alternating between activity and rest.

How can cold-weather workwear provide warmth and unrestricted movement without sacrificing durability?

Nylon and polyester 4-way stretch, double-face fabrics combine multidirectional flexibility with durability for demanding work environments. Their double-face brushed finish helps retain warmth while providing a soft touch, making them suitable for extended working hours in colder conditions.


Material Trend

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service@u-long.com

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Engineered for Smart Temperature Control & Microclimate Regulation across Temperature Fluctuations. | U-long

Located in Taiwan since 1983, U-Long High-Tech Textile Co., Ltd. has been a textile and fabric manufacturer. Their main fabrics and textiles, include Weather Defender Fabric, high tenacity yarns, industrial and complementary textiles, sustainable and biodegradable textiles, knitted fabrics, woven fabrics and functional fabrics, especially for the functional fabrics, hyperbreeze, 3D structure, anti-odor and durable fabrics are U-long's specialties.

U-LONG was established in 1983 as a core enterprise of Nam Liong Group. Originally founded to produce special industrial fabrics, the company gradually expanded into the field of high-value stretch fabrics through cutting-edge research and development. As being Taiwan largest, greatest and most professional woven stretch manufactory, U-LONG continuously imports diverse advanced computerized manufacture facilities and employs professional specialists. The finished fabric are for various applications including Apparel (Function & Fashion), Bags (Luggage), Shoes, Industrial use, Protection use, and Home textile.

U-long has been offering customers high-quality fabrics and textiles since 1983, both with advanced technology and 48 years of experience, U-long ensures each customer's demands are met.