Snagging Resistance Explained: How It Works in Performance Sportswear
Snagging Resistance is best understood as resistance to yarns being pulled out. This entry explains how it behaves inside a finished garment rather than only in the laboratory.
What the term means
resistance to yarns being pulled out, which is why the value appears on almost every technical data sheet. Working figures for Snagging Resistance normally sit around grade 4 or better in mainstream production. Note ASTM D3939 snagging on the tech pack so nobody tests against an older revision.
Why it matters in practice
mesh and low-density knits score lower, so it influences buying decisions more than most buyers expect. Record elastane content alongside Snagging Resistance, because blends shift the measured value. A result outside grade 4 or better usually points to process drift rather than to the fibre itself.

Typical values seen in activewear
grade 4 or better. Ranges vary by construction, so compare like with like. Keeping reference values for Snagging Resistance lets suppliers quote without extra sampling rounds. Ask for conditioning details together with ASTM D3939 snagging, since both affect the reading.
How it is measured
ASTM D3939 snagging is the reference normally quoted on a test report. Working figures for Snagging Resistance normally sit around grade 4 or better in mainstream production. Note ASTM D3939 snagging 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 Snagging Resistance, because blends shift the measured value. A result outside grade 4 or better usually points to process drift rather than to the fibre itself.