Westex’s INDURA® Ultra Soft® with EPIC™ is a “soft shell” flame-resistant fabric for use in virtually all weather conditions. The 88% cotton, 12% high-tenacity nylon is water-resistant, breathable and washable. EPIC is a proprietary, patented technology by Nextec that encapsulates fabric fibers with a micro-thin polymer creating a breathable barrier inside the fabric.Westex, Inc., Chicago, IL.