Fleece Brush Back Explained: How It Works in Performance Sportswear
Fleece Brush Back is best understood as knit whose reverse side has been raised. This entry explains how it behaves inside a finished garment rather than only in the laboratory.
What the term means
knit whose reverse side has been raised, which is why the value appears on almost every technical data sheet. Working figures for Fleece Brush Back normally sit around 260-340 GSM in mainstream production. Note raising machine on the tech pack so nobody tests against an older revision.
Why it matters in practice
it traps air for warmth but can shed in use, so it influences buying decisions more than most buyers expect. Record elastane content alongside Fleece Brush Back, because blends shift the measured value. A result outside 260-340 GSM usually points to process drift rather than to the fibre itself.
Typical values seen in activewear
260-340 GSM. Ranges vary by construction, so compare like with like. Keeping reference values for Fleece Brush Back lets suppliers quote without extra sampling rounds. Ask for conditioning details together with raising machine, since both affect the reading.
How it is measured
raising machine is the reference normally quoted on a test report. Working figures for Fleece Brush Back normally sit around 260-340 GSM in mainstream production. Note raising machine on the tech pack so nobody tests against an older revision.
Frequent mistakes
Comparing results from different standards, testing unwashed fabric, and writing the target without tolerance are the common errors. Record elastane content alongside Fleece Brush Back, because blends shift the measured value. A result outside 260-340 GSM usually points to process drift rather than to the fibre itself.
