black blue green The ultralight Origin 9 hydration pack expands your range thirst-trouncing 3.0L Big Zip™ Reservoir and nine liters of dedicated gear storage. It’s your go-to pack to stoke adventures lasting from a 2-hour, cold-weather blast to ultralight all-day epic. Weatherproof Protection: Waterproof, 10,000mm-coated fabrics, welded, all-weather zippers and heat-taped seams. Integrated Hydration: Dedicated, easy-access compartment for included 3.0L Big Zip™ SL reservoir, options for top, bo