With the Astral Full Bladder hydration system, you can enjoy paddling much longer and stay hydrated and safe out there on the water.  The bladder holds 1.8 liters of fluid and fits in many Astral PFDs thanks to its shoulder straps that secure the unit in place.  Stop reaching for water bottles when you're out there tearing it up and rely on this exceptional unit to make sure you won't miss a beat.  You can also check out the Full Bladder on the Astral website here.