north face borealis backpack rabbit grey Women's Recon in Light Heather by The Rabbit Grey Light Heather has articulated shoulder straps Women's Isabella Backpack in Rabbit

Batteries Three is the ideal number of batteries to bring on a thru-hike

For a more tropical destination, think nylon or canvas, something that can stand up to sun and moisture (rain and humidity)

The main compartment is well thought out, with a rear pocket designed to hold a hydration bladder

If thats not enoughsay you frequently bike to work in the rain the pack comes with a rainfly, which tucks away into a zippered compartment at the bottom of the pack

When we went to Disney a few years ago, I bought a fanny pack (also called a bum bag in some places, I found out) and it was so nice to have a hands-free way to carry things