CamelBak founder Michael Eidson invented the concept of rear-mounted hydration packs (small backpacks containing a water ...

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 ...

Wearing a hydration pack–usually a vest or small backpack with holsters for water bottles, a large reservoir, or both–ensures ...