4 oscaurt anti-theft travel backpack GO 34L Carry-on Backpack, Stone theft features such as lockable The 7 Best Anti-theft Backpacks,

As Ill detail below, Ive tried an assortment of lululemon products that I really like for daytime wear and traveling

This isnt a sponsored post for REI

It will run off your face with all the sweating you are about to do

For the clear zip bag options: Truffles Clarity Jumbo Jetset Case is the largest option I own

Our top editor-tested durable backpacks are comfortable to carry, come in a range of capacities, offer excellent organization, and are made with abrasion-resistant, weatherproof materials that still look good after extensive testing

Water bottles can fit inside decently, but they do cut into the main capacity of the bag