Hollow Thermal Fabric
Item Name:Hollow Thermal Fabric
Item No.:KMS-F6182
Composition:62%P 31%C 7%SP
Weight: 230GSM
Width: 70"/71"
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 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 thermal fabric from our factory.
Products Description

Hollow Thermal Fabric
We developed this Hollow Thermal Fabric to solve a very common issue with traditional winter fleece-it's often just too bulky and heavy. Instead of relying on thick fabric layers to keep you warm, we use hollow-core yarns that trap body heat inside the fibers themselves. By blending natural combed cotton on the face with our thermal hollow polyester on the back, you get a knit that feels just like a soft, classic cotton sweat on your skin, but works like a technical outdoor mid-layer. It keeps you warm on the trail and cuts the wind, all without any extra weight.
Fabric Specification
| Item Name: | Hollow Thermal Fabric |
| Item No.: | KMS-F6182 |
| Composition: | 62%Pplyetser 31%Cotton 7%Spandex |
| Weight: | 230GSM |
| Width: | 70"/71" |
| Custom: | Available |
| Sample: | Free A4 Size Sample |
| MOQ: | 1m |
Products Features
-Natural Cotton Breathability: By placing combed cotton on the face of the knit, the fabric avoids the clammy, static-heavy environment of 100% synthetic thermal fabrics. It allows excess humidity to escape, maintaining a dry, balanced microclimate.
-Anti-Sagg Elastic Recovery: With a generous 7% spandex content, the fabric stretches effortlessly under physical tension and immediately snaps back to its original shape, preventing baggy elbows, knees, or necklines.
-Smooth Low-Friction Face: The outer face of the knit is tightly constructed to prevent pilling, making it easy to layer under rain shells or heavy winter jackets without bunching or friction.
- Rapid Vapor Migration: The interior polyester layer pulls sweat away from the skin, while the cotton-blend exterior distributes the moisture across a wider surface area for fast evaporation. This dual-action dry performance prevents the fabric from holding wet, cold sweat after a workout.
- Premium Brand Aesthetic: The high cotton ratio gives the fabric a rich, matte finish and a premium casual look that transitions effortlessly from mountain trails to city streets-ideal for brands targeting the upscale athleisure market.


Products Application
-Premium Sweatshirts & Hoodies : Perfect for designing high-end street-style hoodies, crewneck sweatshirts, and overhead pullovers. It provides a structured, modern drape that holds its shape beautifully while keeping the wearer cozy on brisk mornings.
-Technical Sportswear & Transition Jackets : An excellent choice for full-zip athletic jackets, hybrid outdoor mid-layers, and trekking pullovers. The lightweight, wind-resistant properties of the hollow yarn make it highly functional for spring and autumn layering.
-Co-ord Loungewear & Jogger Sets : Ideally suited for matching travel sets, high-end loungewear, and active warm-up suits. The 7% spandex ensures the joggers hold their tailored shape and resist bagging at the knees during long periods of sitting or physical movement.


FAQ
Q1: How does a hollow-core yarn keep me warm in cold weather?
A: Standard polyester yarns are solid synthetic strands that conduct heat away from your body. The hollow-core yarns inside our Hollow Thermal Fabric are engineered with a hollow center. This empty space traps a layer of still air, which is a highly effective natural insulator (similar to how double-pane windows work). This barrier traps your natural body heat inside the garment while blocking the cold air from penetrating through, providing exceptional warmth without adding extra fabric weight.
Q2: Will the hollow-core yarns collapse or lose their thermal efficiency after machine washing?
A: Absolutely not. The hollow structure is a physical characteristic of the fiber created during the extrusion process, not a temporary coating or finish. It is an permanent part of the textile's DNA. The high-performance polyester fibers have outstanding structural memory, ensuring they maintain their hollow-core shape, insulating properties, and soft texture even after dozens of industrial wash and dry cycles.
Q3: Does the 31% cotton content cause the fabric to shrink or lose its shape over time?
A: We have neutralized this risk through our material engineering. The 62% polyester acts as a stable, heat-set matrix that prevents the cotton fibers from shifting or shrinking during washing. Combined with the 7% spandex, which is stabilized at high temperatures during finishing, the fabric maintains excellent dimensional stability with less than 2% shrinkage under normal washing conditions.
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