Define the product before selecting a material
A sports-bra development brief needs more than a request for stretch fabric. Describe the intended activity, garment form, fit approach and features that the design team wants to evaluate. Identify the roles of the main panels, straps, underband, lining and any other components. The responsible garment and technical teams should determine how those parts will be developed and assessed together.
The product name medium support in a planning list expresses an intended category. It is not evidence that a finished garment has achieved a tested support level. Keep that distinction visible when discussing material candidates, preparing imagery or writing product copy. An attractive concept cannot substitute for the development and evaluation of the complete garment.
Read the material target without forcing a catalogue match
The source product list's sports-bra row specifies interlock or performance knit at 220–280 GSM, with alternatives including 75% nylon and 25% elastane or recycled polyester/elastane. It does not identify an exact fabric article or provide a material photograph. Retain the alternatives as separate proposals until the buyer decides which requirement governs.
PF-121 in the current catalogue is 92% recycled polyester and 8% elastane at 130–178 g/m². Those recorded figures do not establish equivalence with the source target. A catalogue category containing the word performance is not enough to close the gap. Ask the mill whether it can offer an appropriate development and what sample information is available; do not invent a heavier nylon article or assign an unrelated photo as proof.
Build the component record with the garment team
List each material and component in the intended assembly, using separate identifiers where needed. Explain which parts are still undecided. Ask the garment producer to record panel orientation, pattern revision, seam construction and adjustment features used in the representative sample. If a component changes, decide what must be reviewed again rather than treating the new combination as the old approval.
Use the sample meeting to collect clear observations. Record the intended fit, the movements selected by the technical team and any concerns about the garment's position or construction. Avoid turning those observations into a support, recovery or durability claim without the relevant assessment. The fabric supplier's role and the finished-product evaluator's role should remain explicit.
Define evidence for the product claims
Ask the responsible specialists to determine the tests, procedures and acceptance criteria needed for the intended product and market. Material composition, garment fitting and product performance are related inputs, but they do not answer the same question. Keep each result linked to the actual sample and component combination used for evaluation.
If the programme includes a recycled-content or other material claim, identify the supporting documentation required for the actual supply. A planning description is not a certification, and a test for one material or design does not automatically approve a different finished garment. Have the proposed sales language reviewed against the evidence that is actually available.
Send a focused fabric request
The enquiry should state the proposed construction, composition alternatives, finished weight, colour references, quantity and required sample or documents. Explain what is fixed and what can be developed. If no current catalogue route fits, keep the project as a development enquiry rather than presenting a nearest-sounding product as an exact match.
AL KUMAŞ manufactures knitted dyed fabrics. A sports bra requires separate garment development and product-specific approval. The useful outcome of the first fabric conversation is an honest proposal and a clear sample plan, with unsupported support or performance claims left out until the complete product has the appropriate evidence.
Source and specification notes
Catalogue figures come from the recorded fabric specifications. Product-planning comparisons retain the source specifications; numeric garment SKUs are not fabric article IDs. General technical references are linked beside the relevant discussion. Development workflow recommendations are editorial guidance.
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