Designer Blue Down Jacket in Cupro with Asymmetric Closure
Designer Blue Down Jacket in Cupro with Asymmetric Closure
A Fast-Growing Startup Label approached us to develop a designer blue down jacket around a single idea: asymmetric closure, executed in cupro. The capsule was destined for Brazil and needed designer finishing that reads designer on the rail while staying repeatable in bulk. This case study records the brief, the specification and the delivery.
The challenge
- The previous factory could not hold consistency across sizes
- Delivery missed the collection launch window
- The sample did not match the runway reference

What we specified
| Product | Designer Blue Down Jacket |
|---|---|
| Client type | A Fast-Growing Startup Label |
| Market | Brazil |
| Order volume | 240 pieces across 2 colourways |
| Base material | Cupro |
| Signature detail | Asymmetric Closure |
| Size range | Custom grading |
| Sampling rounds | 2 |
| Delivery window | 10 weeks from PO to ex-factory |
| Compliance | GOTS |
How it was built
- Reference garments and moodboards were translated into a measurement spec, not just photos.
- Cupro was confirmed with lab dips and a hand-feel approval before grading.
- The blue down jacket was prototyped on the fit model, then revised twice before pre-production.
- Asymmetric Closure was applied in a controlled process to keep every piece consistent.
- Bulk ran with in-line inspection; a photo report was shared before shipment.

Result
- 240 pieces delivered inside the 10-week window.
- Unit cost held within 1.5% of the approved quotation.
- The a Fast-Growing Startup Label launched on schedule and reordered the same specification next season.
What we would repeat
Lock the colour standard before grading; every downstream approval depends on it.

Planning a similar capsule?
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