This Rib Knit is built for brands whose Sports Bras programme needs controlled support and soft contact at the underband without a complicated supply chain. Knitted from 88% polyester filament / 12% spandex, it offers the workhorse blend for training ranges that wash repeatedly, and the construction is engineered so that Compression.

88% Polyester 12% Spandex 300 GSM Rib Knit, face view
Key specifications
| Parameter | Value |
|---|---|
| Fabric name | 88% Polyester 12% Spandex Compression Rib Knit |
| Composition | 88% polyester filament / 12% spandex |
| Construction | Rib Knit (a rib knit) |
| Weight | 300 GSM |
| Width | 170 cm |
| Function | Compression — delivers graduated support while remaining easy to put on |
| Performance target | recovery above 92% after 100% extension |
| Test method | ASTM D2594 stretch and recovery |
| Additional value | power measured in the 15-25 N range at 30% extension |
| 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
The construction does the work before any chemistry is added. a rib knit means high extension across the width with clean recovery, ideal for cuffs and bands, and that structure is what allows the fabric to delivers graduated support while remaining easy to put on under the conditions Sports Bras actually face.

Rib Knit construction shown at close range
Performance features
- Compression: delivers graduated support while remaining easy to put on, measured by ASTM D2594 stretch and recovery.
- Hand and comfort: the workhorse blend for training ranges that wash repeatedly.
- Construction benefit: high extension across the width with clean recovery, ideal for cuffs and bands.
- 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
The first choice for Sports Bras, where controlled support and soft contact at the underband is the requirement that decides the fabric. It also converts cleanly into coordinated pieces in the same programme, since the hand and the shade run together.

Compression fabric prepared for Sports Bras production
Dyeing, finishing and customisation
Available in piece dyed, yarn dyed or sublimation ready form. Functional finishes such as moisture management, antibacterial, anti-pilling and UV absorption can be applied individually or combined, and each is verified against its test method before bulk release.
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
Trial quantity starts at 300 metres per colour with laboratory dips in five working days. Bulk lead time is 20-25 days after approval, and every lot ships with a test report, a shade check and an inspection record.

Roll inspection and packing before shipment
Frequently asked questions
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.
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.