RFQ and technical guide

Streetwear manufacturing blog

Record Finished Garment Mass Without Confusing It with Fabric GSM

Record whole-garment mass against a named style, size, revision and component state. Keep it separate from fabric GSM, which describes mass per area rather than the complete garment. A sample’s total weight cannot alone establish its fabric specification or the weight of another size.

For streetwear developers comparing sample weight observations.

Name exactly what is on the scale

Identify the sample and its revision before recording a number. State whether detachable components, belts, removable inserts or hangtags are included. Keep the packaging out of a garment-only observation, or explicitly label a different weighing scope. A jacket with its removable liner and the same shell without that liner are not the same observation. If a component is missing, record that fact instead of presenting the result as the finished configuration requested in the inquiry.

Record the state of the specimen

Describe whether the sample was weighed as received or after a named handling step. Note visible moisture or another known condition that makes comparison questionable. Do not invent a conditioning procedure or correction factor. If a formal test is needed, request an appropriate agreed method separately. For an ordinary development comparison, the useful first step is an honest record of specimen state, rather than a precise-looking number detached from how the garment was prepared.

Keep units and fabric data in separate fields

Write the unit beside the observed mass and preserve the scale reading without silently converting or rounding it. Put any fabric GSM information in a different field with its own material reference and evidence status. The garment may contain several fabrics and components, and its pattern consumes area rather than a universal fixed amount. Do not reverse-engineer a declared GSM from total garment mass. Likewise, keep packed shipping weight separate from the garment-only record.

Compare like configurations before drawing conclusions

Place the two records beside each other and check style, size, revision, detachable parts, preparation and units. Flag differences before interpreting a weight change. If the goal is a target feel or carrying weight, describe that decision and ask how the supplier proposes to evaluate it. A single mass observation should not become an unagreed acceptance tolerance. Request confirmation of the required configuration and any proposed evaluation method before using the value in an order release.

Decision and evidence checklist

DecisionInclude in the briefReview evidence
IdentityStyle, size and revisionSpecimen reference
ConfigurationIncluded parts and preparation stateWeighing-scope note
ValueObserved reading and unitSeparate garment and fabric fields

What this brief does and does not establish

These are proposed record fields, not a laboratory weighing standard or a MyOwnWear weight promise. No measurement accuracy, GSM value or tolerance is asserted. Formal conditioning, equipment suitability and acceptance requirements need their own agreed method.

Attach the sample identity and weighing-scope record when asking MyOwnWear to review a proposed garment mass requirement. Open the MyOwnWear RFQ form.

Buyer questions

Can garment mass prove fabric GSM?

No. A complete garment includes pattern area and multiple possible components.

Should a removable liner be included?

State the chosen configuration explicitly and compare the same configuration.

Is parcel weight the garment weight?

Not when packaging or other contents are included. Label the scope separately.

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