6379D Heat-Flow Knitted Fabric 400gsm
A performance HEAT-FLOW fleece knit fabric engineered with a 3D air-layer structure to deliver breathable warmth, lightweight comfort, and stable thermal performance for modern cold-weather garments.
Fabric Unit：M (kg or yard orders: please contact us.)
Product information
Care Guide | HEAT-FLOW™ Fabric
Washing
- Gentle machine wash recommended
- Maximum washing temperature 30°C
- Use mild detergent suitable for fleece fabrics
- Wash inside out to protect the fleece surface
- Avoid chlorine bleach
Technical Note
Gentle washing helps preserve the micro-pile fleece structure and thermal performance.
Drying
- Lay flat or hang to dry
- Avoid high-temperature tumble drying
- Avoid prolonged exposure to direct heat
Ironing & Finishing
- Iron at low temperature if necessary
- Steam recommended
- Avoid excessive heat contact
Handling & Maintenance
- Avoid aggressive friction to maintain fleece texture
- Avoid prolonged soaking
- Store folded when possible
Performance Retention
When properly maintained, HEAT-FLOW fabrics retain:
- breathable warmth
- soft fleece texture
- thermal structure stability
- long-lasting comfort performance
Service Information
Pre-Order Support
We offer access to a wide range of in-stock fabrics as well as custom development options.
Basic product information, fabric specifications, and application guidance are available prior to order placement.
For project-based inquiries, sampling requests, or customization feasibility, our team provides support before order confirmation.
Order Support
We support both in-stock orders and made-to-order projects, including order confirmation and production coordination where applicable.
Order details such as quantities, customization requirements, and timelines are handled through direct communication with our team to ensure alignment.
After-Sales Support
After shipment, we provide basic support related to order status and product information.
Follow-up inquiries regarding usage, application, or repeat orders are handled through direct coordination to address specific project needs.
- 👉 For detailed service arrangements or customization requirements, please contact our team for confirmation.
Shipping Information
Shipping Overview
Regen-tech Fashion ships fabric orders worldwide from our warehouses and production facilities. Shipping arrangements are based on fabric availability, order quantity, and destination.
In-Stock Orders
- In-stock fabrics are typically dispatched within 2–5 business days after order confirmation.
- Orders are shipped via standard courier or freight services, depending on shipment size and destination.
- Tracking details will be provided once the order is dispatched.
Made-to-Order & Bulk Orders
- Made-to-order fabrics and bulk production orders require additional production lead time.
- Estimated production and shipping timelines will be confirmed after order details are finalized.
- Shipping methods are arranged based on order volume and delivery requirements.
Customer-Specified Shipping Options
- Orders can also be shipped using customer-designated carriers or shipping methods, subject to prior coordination.
- Please provide shipping instructions and carrier details at the time of order confirmation.
Shipping Support
Shipping timelines and methods may vary depending on project needs.
For bulk orders, urgent requests, or specific delivery requirements, we recommend contacting our team for coordination.
👉 Please contact us for shipping confirmation before placing large or time-sensitive orders.
Key Features & Benefits
Air Fleece Warmth
Advanced fleece construction traps warm air while maintaining breathable comfort.
3D Air-Layer Thermal Structure
A multi-layer knit structure forms a dynamic thermal chamber that helps retain heat.
Breathable Warmth Balance
Allows air circulation while maintaining warmth, preventing overheating.
Ultrafine Micro-Pile Fleece
Dense short-pile fibers create a soft, insulating surface with a smooth hand feel.
Lightweight Thermal Efficiency
Delivers strong warmth performance without adding bulk.
Long-Term Performance Stability
Engineered to maintain structure, warmth retention, and durability after repeated wear.
FAQ – HEAT-FLOW Fabric
What is HEAT-FLOW fabric?
HEAT-FLOW is a performance fleece fabric engineered with a 3D air-layer knit structure designed to provide breathable warmth and lightweight insulation.
How does HEAT-FLOW fabric keep warmth?
The fabric structure creates small air chambers that trap warm air while allowing airflow, forming a dynamic thermal balance.
Is HEAT-FLOW fabric breathable?
Yes. The air-layer structure allows air circulation, preventing overheating while maintaining warmth.
Is HEAT-FLOW fabric lightweight?
Yes. Despite its strong insulation performance, the fabric remains lightweight and comfortable for everyday wear.
What garments are suitable for HEAT-FLOW fabrics?
HEAT-FLOW fabrics are commonly used for:
- hoodies
- sweatshirts
- thermal tops
- fleece jackets
- outdoor lifestyle garments
Can I request samples before ordering?
Yes. Fabric swatches and technical specifications can be provided for evaluation before production orders.
Not sure if this fabric fits your project?
Contact our fabric specialists.
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