types of waterproof-breathable membranes - NEMO Equipment, Inc. The membrane is waterproof but allows water vapor to pass through. A ... Waterproof breathable fabrics (W/B) are designed to keep water out and allow moisture ...
Waterproof Ratings and Breathability Guide | evo Waterproof breathable fabrics consist of an outer layer called the “face fabric”, usually made of nylon or polyester, and a laminated membrane or coating, usually ...
