Rampage Grey Universal Easyfit 4-layer non-woven polypropylene construction blocks harmful paint contaminants with: Layer One - rugged Spun Bond outer layer attached to, Layers Two and Three - melt blown middle layers of added protection and joined with Layer Four - a softer inner layer to produce a water resistant fabric that protects vehicle finish from the elements. All this while maintaining breath-ability to avoid temperature and moisture build-up under the cover. Unique diamond bond pattern allows air and humidity to escape preventing paint deterioration from trapped air and moisture. Non-woven fibers are naturally water resistant and will shed water under normal conditions. Ultraviolet protection against sun and heat buildup. Features double stitched elastic hem in front & rear to secure under bumper.