Gore's microporous membrane that, when laminated to an outer fabric, keeps rain out while allowing perspiration vapor to escape. Creates a waterproof breathable fabric.
Found on http://www.ectextile.com/glossary.html?


A waterproof/breathable fabric and a registered trademark of W.L. Gore & Associates. Gore-Tex materials are typically based on thermo-mechanically expanded materials. Gore-Tex is best known for its use in protective, yet breathable rain wear. Gore-Tex is washable.
Found on http://blog.thelaundress.com/wordpress/the-laundress-fabric-glossary/
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