We found a versatile backpack at Lululemon that's currently $79. Originally 128, the 10-liter Active Backpack can take you from the trail to the office and everywhere in between. Get it. This backpack ...

Hydration packs are great for running, cycling, and for very short mountain climbs. Some don't even resemble a backpack, but rather a vest. They're made that way, so they're more comfortable to ...