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Polyester fabric can develop dye streaks and barre marks due to yarn variation, knitting tension, dye affinity and processing differences. Learn how to identify these defects and reduce them before garment production.

Barré marks are unwanted horizontal stripes or shade variations that can appear in polyester knitted fabric, often becoming visible only after dyeing. Learn how yarn-lot differences, denier variation, knitting tension, DTY inconsistency and dye affinity cause barré—and how buyers and manufacturers can reduce the risk.