Hydration for running, hiking and biking, wherever you may roam. We create ever-evolving hydration systems that keep up with our always-exploring adventurers. The Fusion 2L Reservoir with TRU Zip Waterproof Zipper offers revolutionary design that's easy to use. We bring heavyweight features in an ultralight package equipped with a universal hanger for all hydration-compatible packs. Molded backplate creates a thin profile with no need for baffles so cleaning is that much easier. Made with safer chemicals, earning the Repurpose Green Sustainability Badge. At journey's end, everyone will enjoy easier cleaning thanks to Hydroguard technology which inhibits the growth of bacteria in the reservoir and tube.