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. Click Here For the Full How-To

A breathable, waterproof and windproof coated pore based membrane using pores that are on average 20,000 times smaller than a drop of water, and 700 times larger than a water vapour molecule.Classic GORE-Tex comes in a 2 ply or 2 layer construction, but three layer GORE and GORE-Tex XCR versions are available.

These are proprietory brands of membrane or coating applied to different face fabrics to make the face fabric waterproof and breathable. The face fabric determines the weight, strength and wear proper [..]

This is one of the most respected of waterproof fabrics. The advanced membrane technology prevents water from penetrating but allows sweat and moisture to evaporate out. This material is used in popul [..]

A synthetic ePTFE (Teflon) fabric that is permeable to water vapour but impermeable to water drops; used for making breathable rainwear.