The combination of the coating process, fabrics, and DWR all play into the specific windproof, waterproof, or breathable function of each specific garment. Can be coated or laminated to nylon or polyester base fabric. Primarily used for mountaineering, backpacking, and skiing outerwear, as well as an insert in gloves and footwear. Patagonia's proprietary waterproof, breathable membrane that comes as a three-layer laminate. Three-layer laminate used with almost any fabric, such as nylon or polyester.
Primary uses are waterproof, breathable outerwear pieces.
The Deluge DWR water repellency treatment system, which makes for an unbeatable combination.