A production-ready Seamless Circular Knit for Leggings, specified around squat-proof coverage and recovery at the knee and seat. Composition is nylon spandex with copper bearing filament, which delivers antibacterial action plus faster heat transfer away from the skin. Every lot is finished and tested so that Four-Way Stretch Recovery is measurable rather than claimed.
Nylon Spandex Copper Ion Filament 250 GSM Seamless Circular Knit, face view
Key specifications
| Parameter | Value |
|---|---|
| Fabric name | Nylon Spandex Copper Ion Filament Four-Way Stretch Recovery Seamless Circular Knit |
| Composition | nylon spandex with copper bearing filament |
| Construction | Seamless Circular Knit (a seamless circular knit) |
| Weight | 250 GSM |
| Width | 160 cm |
| Function | Four-Way Stretch Recovery — extends in both directions and returns without bagging |
| Performance target | less than 5% growth after repeated extension |
| Test method | ASTM D2594 stretch and recovery |
| Additional value | recovery tested on a worn garment, not only on flat fabric |
| Stretch | Four-way, recovery above 92% |
| Certification | OEKO-TEX Standard 100, REACH compliant inputs |
| MOQ | 300 m per colour |
| Lead time | 20–25 days after approval |
Why this construction works
Performance comes from three decisions: the yarn, the stitch and the finishing route. nylon spandex with copper bearing filament supplies the base behaviour, a seamless circular knit sets how air and moisture move, and finishing is kept deliberately light so the attributes survive washing.
Seamless Circular Knit construction shown at close range
Performance features
- Four-Way Stretch Recovery: extends in both directions and returns without bagging, measured by ASTM D2594 stretch and recovery.
- Hand and comfort: antibacterial action plus faster heat transfer away from the skin.
- Construction benefit: tubular production that removes the side seam entirely.
- Consistency: GSM and width tolerance are locked per lot and recorded on the inspection sheet.
- Durability: performance is verified after repeated washing, not only as delivered.
Recommended applications
Specified mainly for Leggings, and suited to any programme where squat-proof coverage and recovery at the knee and seat is written into the brief. Designers use the same base for matching styles, which keeps colour continuity simple across a collection.
Four-Way Stretch Recovery fabric prepared for Leggings production
Dyeing, finishing and customisation
Dyeing runs on a controlled recipe with consolidated dye lots to hold shade continuity. Finishing options include wicking, antibacterial, soft touch and anti-pilling, applied after lab trials so the hand approved in sampling is the hand delivered in bulk.
Care instructions
- Machine wash at 30 degrees with mild detergent, no fabric softener.
- Dry away from direct heat and do not tumble dry hot.
- Cool iron on the reverse if needed, and avoid bleach.
Ordering, sampling and quality control
Sampling is fast: A4 hand feel cards, laboratory dips and a 5 metre trial roll within a week. Bulk runs in 20-25 days, with inline inspection and a final random inspection before packing.
Roll inspection and packing before shipment
Frequently asked questions
Is the performance tested on every lot? Yes. The named test method is repeated on bulk fabric, not only on the approval sample, and the report carries the lot number so results can be traced back.
Can we get recycled content with this construction? In most cases yes. GRS certified recycled nylon or polyester can replace the virgin yarn with full chain of custody documents, usually with no visible change in hand or performance.
