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About the Author: John McMurray of Long Beach, New York, owns One More Cast Charters and works as director of grant programs at the Norcross Wildlife Foundation in New York City

How to use a hydration pack Hydrations packs are easy to use and make it super simple to stay hydrated on the trail without slowing down

Despite their widespread availability and ubiquity, there isnt the option to switch to S straps (although our tester did note that the J straps were less extreme than on other ultralight backpacks)

This means spending some time taking it apart, cleaning out any gunk and debris and applying a light oil to the gears and bearings