Hollow Structured Thermal Fabric
Item Name:Hollow Structured Thermal Fabric
Item No.:KMS-F6131
Composition:100%P
Weight: 77GSM
Width: 61"/62"
Custom: Available
Sample: Free A4 Siza Sample
MOQ: 1m
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Product Introduction
Hangzhou Kangsheng Textile Co., Ltd. is one of the most reliable manufacturers and suppliers of hollow structured thermal fabric in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk custom made hollow structured thermal fabric from our factory.
Products Description

Hollow Structured Thermal Fabric
When it comes to cold-weather performance apparel, the traditional approach to achieving warmth has always been increasing fabric thickness. However, this often results in bulky, heavy garments that restrict movement and feel cumbersome. Our Hollow Structured Thermal Fabric completely redefines thermal insulation by shifting the focus from fabric weight to fiber structure. Engineered for next-generation warmth, this textile delivers exceptional heat retention with an incredibly lightweight feel, ensuring that wearers stay warm, comfortable, and agile in challenging cold-weather environments.
This advanced performance fabric features a clean, high-efficiency composition: 100% Polyester (100%P). While basic polyester is globally recognized for its durability, we have elevated this material by utilizing highly specialized hollow-core polymers. The 100% polyester makeup guarantees excellent dimensional stability, superb tear resistance, and rapid moisture dispersal, making it highly reliable for both active sports and commercial laundering alike.
Fabric Specification
| Item Name: | Hollow Structured Thermal Fabric |
| Item No.: | KMS-F6131 |
| Composition: | 100%P |
| Weight: | 77GSM |
| Width: | 61"/62" |
| Custom: | Available |
| Sample: | Free A4 Siza Sample |
| MOQ: | 1m |
Products Features
- Dead-Air Thermal Barrier: The core hollow channel traps a static layer of dead air inside the fiber itself. Because still air is a poor conductor of heat, it forms an invisible, highly effective insulating shield that blocks external cold while preventing body heat from escaping.
- Significant Weight Reduction: By removing the center mass of the fiber, the overall weight of the textile is reduced by up to 25% compared to solid polyester yarns of the exact same thickness. This allows for warmth without the burden of weight.


Products Application
Active Thermal Co-ord Sets & Tracksuits : An excellent choice for high-performance athletic tracksuits, matching winter hoodies, and heavy-duty lounge sets. Because the fabric is remarkably light and non-bulky, it allows designers to create sleek, modern silhouettes that drape beautifully without dragging down the wearer.
Winter Active Shells & Pullovers: Perfect for ski pullovers, cold-weather training tops, and mountain patrol uniforms where maintaining a dry, warm microclimate during stop-and-go activities is crucial for endurance.


FAQ
Q1: How does a hollow fiber keep you warmer than a regular solid polyester fiber?
A: Think of it like double-glazed windows. Solid polyester fibers conduct cold directly from the outside straight to your skin. The hollow fibers in our Hollow Structured Thermal Fabric contain an empty core that acts as a pocket of still air. Since still air is a highly effective natural insulator, it stops your body heat from radiating away and blocks the outside cold from entering. This mimics natural arctic fur, providing superior insulation completely through structural design.
Q2: Will the hollow fibers collapse, flatten, or lose their insulating properties after repeated washing?
A: No, they will not. The hollow structure is an intrinsic physical attribute of the fiber itself, created during the high-temperature polymer extrusion process. It is not a temporary chemical finish, coating, or surface laminate. Because of the excellent physical memory of high-grade polyester, these hollow tubes maintain their cylindrical shape and structural integrity through heavy washing, machine drying, and years of regular wear.
Q3: Since this fabric is 100% polyester, does it suffer from static electricity or attract a lot of lint?
A: To address the common issue of static cling in all-synthetic materials, our fabric undergoes a specialized anti-static treatment during the post-dyeing finishing phase. This treatment neutralizes static charges, ensuring the fabric won't cling to skin or underlayers, and dramatically reduces lint attraction-making it highly comfortable for dry, winter climates.
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