Innovative hydration reservoir that maintains its shape, ideal for large volume packs and long duration activities.

• Hydrostatic Backerplate provides structure to reservoir allowing it to easily be shoved into a loaded pack and provides a flat profile
• Easy slide top opening seals watertight and provides wide access for filling and cleaning
• Pour Shield extends the collar to ease filling in shallow sinks
• Carry handle
• Magnetic bit valve
• Hydrapak blaster bit valve offers fast, smooth water flow with 1/4 twist on/off