Polyester Spandex Bamboo Charcoal UPF 50+ Sun Protection Single Jersey Knit is a plain single-bed knit developed for Running Tops where low weight with fast moisture transport decides whether a style succeeds. The base is polyester spandex with charcoal loaded filament, which gives permanent odour adsorption built into the yarn rather than the finish. The result is a fabric that delivers UPF 50+ Sun Protection in daily use rather than only in a laboratory.
Polyester Spandex Bamboo Charcoal 190 GSM Single Jersey Knit, face view
Key specifications
| Parameter | Value |
|---|---|
| Fabric name | Polyester Spandex Bamboo Charcoal UPF 50+ Sun Protection Single Jersey Knit |
| Composition | polyester spandex with charcoal loaded filament |
| Construction | Single Jersey Knit (a plain single-bed knit) |
| Weight | 190 GSM |
| Width | 170 cm |
| Function | UPF 50+ Sun Protection — blocks ultraviolet radiation for outdoor training |
| Performance target | UPF rating above 50 with UVA below 5% |
| Test method | AATCC 183 ultraviolet transmittance |
| Additional value | protection held after 40 washes and in the wet state |
| 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 plain single-bed knit means the lightest way to get coverage, with good stretch and a clean surface for printing, and that structure is what allows the fabric to blocks ultraviolet radiation for outdoor training under the conditions Running Tops actually face.
Single Jersey Knit construction shown at close range
Performance features
- UPF 50+ Sun Protection: blocks ultraviolet radiation for outdoor training, measured by AATCC 183 ultraviolet transmittance.
- Hand and comfort: permanent odour adsorption built into the yarn rather than the finish.
- Construction benefit: the lightest way to get coverage, with good stretch and a clean surface for printing.
- 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 Running Tops, where low weight with fast moisture transport 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.
UPF 50+ Sun Protection fabric prepared for Running Tops 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.
What is the minimum for a first order? Development starts at 300 metres per colour, which is enough for a proper wear trial and a small capsule. Bulk pricing improves at 1,000 metres and above per colour.
