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Case Study: Custom Sleeping Bonnet for a Railway Operator in France

Source:Sleeping Bonnet / Time:2026-09-18

Sleeping Bonnet for a Railway Operator in France

A Railway Operator approached us with a sleeping bonnet requirement for France. The brief was specific: a defined look, a hard launch date and a unit cost that had to survive shipping and duty. This case study records what was specified, what went wrong in sampling and how the bulk order was delivered.

The challenge

  • Long lead times that miss the selling season
  • Inconsistent sizing between production runs
  • Unclear responsibility when a defect shows up after washing

Sleeping Bonnet case study

What we specified

ProductSleeping Bonnet
Client typeA Railway Operator
MarketFrance
Order volume3,000 pieces across 2 colourways
Base fabricAlpaca
DecorationGarment Dyeing
Size range2-12Y
Sampling rounds4
Delivery window6 weeks from PO to ex-factory

How it was resolved

  1. We rebuilt the tech pack around Alpaca and locked shrinkage allowance before grading.
  2. Decoration was moved to Garment Dyeing after strike-off tests showed better wash durability.
  3. A pre-production sample was approved and retained as the golden reference.
  4. Production ran with in-line inspection and a mid-run photo report.
  5. Cartons were packed to the client's own barcode and size ratio specification.

Sleeping Bonnet production run

Result

  • 3,000 pieces delivered inside the 6-week window.
  • Unit cost held within 2.0% of the original quotation.
  • Return rate linked to fit or workmanship stayed under 0.5%.
  • The specification is now on file, so reorders reproduce the approved sample.

What we would repeat

Approve a pre-production sample from the actual bulk fabric. Proto cloth behaves differently in cutting and washing.

Sleeping Bonnet finished goods

Planning something similar?

Tell us the quantity, target price and delivery window, and we will build a customisation programme around those three numbers.

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