The Hauser is our flagship pack in the Acre collection. It is a complete weatherproof hydration pack designed to go anywhere in all conditions keeping your gear secure and dry. The main cargo compartment is secured by a roll-top closure which can also be used in the flap-down configuration to provide additional coverage for the front zippers. Available in three advanced fabric variations: Dimension Polyant X-PacA(R), HT500, and MultiCam-Black Cordura.The hydration pack has a total of four weatherproof exterior pockets to provide easy access to gear, and the included tool-roll is fully removable and organizes all of the essentials. A series of external straps can be deployed to hold a helmet, pads or numerous other gear.The Hauser utilizes a fully padded back panel and shoulder harness made from Ariaprene which supplies complete ventilation and breathability while a zippered compartment allows perfect placement and easy access to reservoir.All of our hydration packs are compatible with most reservoirs up to 3 liters, including Camelbak, Hydrapak, Platypus, and Osprey/Nalgene. Use your existing hydration reservoir or purchase one from us.For extra organization, each Hauser is equipped with a removable Internal Tool Roll.