How should a T-shirt size set be approved before bulk production?

How should a T-shirt size set be approved before bulk production?

Approve the T-shirt size set against defined measurement points, grading increments and tolerances. Check chest width, body and sleeve length, shoulder position and neck opening across the chosen sizes, with particular attention to the smallest and largest sizes. Use one measuring procedure and record fit comments by size. A base-size approval alone does not confirm the whole size range.

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