When your adventurous lifestyle can no longer be contained by your pockets, it’s time for the Altmont™ 3.0. Single-Strap Backpack. It’s a stylish, everyday sling bag with a roomy main compartment and an interior stash pocket. The shoulder strap enables you to sling your safely packed essentials out of the way, so you’re free to move about the city. And the shoulder strap is also where you’ll find a pocket perfectly sized for your smartphone – your most essential essential.