Material technology profile

C0 DWR

A surface treatment that lowers the fabric's surface energy so water beads up and rolls off, while preserving the original handfeel and breathability.

Parent layerMainstay

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How it works

Keeping water on the surface

The treatment bonds at the fiber surface and lowers its surface energy. Water that lands on the fabric beads up and rolls away instead of spreading and soaking in, so the fabric does not take on weight. Because the treatment works only at the fiber surface, it leaves the spaces in the construction open, keeping breathability and handfeel unchanged.

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Performance Profile

Evidence-led proof points explain what this material technology delivers. Values depend on construction and verified testing.

01 PFAS-Free Chemistry

PFAS-Free Chemistry

C0-grade chemistry that contains no PFAS fluorocarbons.

Chemistry grade: C0

02 Water Repellency

Water Repellency

Encourages water to bead and roll away from the textile surface.

Spray rating / wash cycles: 80／10

03 Wet-Out Prevention

Wet-Out Prevention

In the rain, C0 DWR is what keeps the fabric breathing. Without a water-repellent finish, the face fabric soaks through and a continuous film of water forms across the surface. That film seals off the route for moisture to escape from the inside, so condensation builds up against the body. By keeping the face fabric dry, C0 DWR lets the fabric's own breathability keep working.

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Performance may vary by fabric and construction. Confirm values against approved test documentation.

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