Learn more› By Jenni Gritters A hydration pack—that is, a backpack with a built-in water reservoir—makes it easier to stay hydrated on the trail. After eight years of testing, we still ...

Letting your hydration bladder sit uncleaned for too ... In fact, CamelBak has pretty clear advice: The best way to care for ...

Wearing a hydration pack–usually a vest or small backpack with holsters for water bottles, a large reservoir, or both–ensures you stay hydrated on long runs and lets you sip without losing ...