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  2. Durable water repellent - Wikipedia

    en.wikipedia.org/wiki/Durable_water_repellent

    Durable water repellents are commonly used in conjunction with waterproof breathable fabrics such as Gore-Tex to prevent the outer layer of fabric from becoming saturated with water. This saturation, called 'wetting out,' can reduce the garment's breathability (moisture transport through the breathable membrane) and let water through.

  3. Waterproof fabric - Wikipedia

    en.wikipedia.org/wiki/Waterproof_fabric

    Drop of water on 100% polyester textile. Waterproof/breathable fabrics resist liquid water passing through, but allow water vapour to pass through. Their ability to block out rain and snow while allowing vapour from sweat to evaporate leads to their use in rainwear, waterproof outdoor sports clothing, tents, and other applications.

  4. Breathability - Wikipedia

    en.wikipedia.org/wiki/Breathability

    Air permeability is the ability of a fabric to allow air to pass through it. While air permeable fabrics tend to have relatively high moisture vapor transmission, it is not necessary to be air permeable to be breathable. Moisture Vapor Transfer (MVT) in waterproof fabrics occurs by two processes:

  5. Tog (unit) - Wikipedia

    en.wikipedia.org/wiki/Tog_(unit)

    Launched in the 1940s by the Shirley Institute, the Shirley Togmeter is the standard apparatus for rating thermal resistance of textiles, commonly known as the Tog Test. This apparatus, described in BS 4745:2005 [ 8 ] measures a sample of textile, either between two metal plates (for underclothing) or between a metal plate and free air (for ...

  6. Waterproofing - Wikipedia

    en.wikipedia.org/wiki/Waterproofing

    Better waterproof garments have a membrane lining designed to keep water out but allow trapped moisture to escape ("breathability")—a totally waterproof garment would retain body sweat and become clammy. Waterproof garments specify their hydrostatic rating, ranging from 1,500 for light rain, to 20,000 for heavy rain.

  7. Sympatex - Wikipedia

    en.wikipedia.org/wiki/SympaTex

    Sympatex is a type of fabric that is branded as waterproof but "breathable", made or licensed by Sympatex Technologies GmbH a company founded in 1986. [ 2 ] [ 1 ] The fabric features a waterproof, windproof and breatheable membrane that is laminated to fabrics either on its inner surface or sandwiched between two fabric layers (often marketed ...

  8. Oilskin - Wikipedia

    en.wikipedia.org/wiki/Oilskin

    Oilskin is a waterproof cloth used for making garments typically worn by sailors and by others in wet areas. The modern oilskin garment was developed by a New Zealander, Edward Le Roy, in 1898. The modern oilskin garment was developed by a New Zealander, Edward Le Roy, in 1898.

  9. Gore-Tex - Wikipedia

    en.wikipedia.org/wiki/Gore-Tex

    Gore-Tex is W. L. Gore & Associates's trade name for waterproof, breathable fabric membrane. It was invented in 1969. Gore-Tex blocks liquid water while allowing water vapor to pass through and is designed to be a lightweight, waterproof fabric for all-weather use.