Overview
WARMFAST is a heat-storage and warmth-retention yarn. Heat-storage particles in the fiber absorb available light and convert it into heat to support warmth retention, combined with moisture wicking and quick drying.
Key Features
Light-absorbing warmth
Heat storage and retention
Moisture-wicking and quick drying
Specifications
| Product code | AK-FN-LW3 |
|---|---|
| Supply form | Filament / Staple |
| Polyester | 75D / 150D |
| Nylon | 70D / 140D |
| Polyester staple fiber | 1.5D × 38 mm |
Specifications are confirmed against the agreed sample. Availability of each specification is confirmed per enquiry.
Applications
Typical end uses: Autumn/winter base layers, Winter knitwear, Bedding.
Garment photos are application examples, not finished ANKU customer cases.
Samples & Supply
Sample form, sample cost, freight, minimum order and lead time are confirmed for each enquiry. Export quotations are made on FOB terms; the port and charges are confirmed in the quotation.
Performance depends on the final fabric, construction and test conditions. Specifications are confirmed against the agreed sample and test report.




