The travel-ready REI Co-op Flash 18 Pack shines at just 9.5 ounces with its great pockets, 18 liters of space, fun colors, a hydration sleeve.

We tested two of the most popular backpacking backpacks — the REI Co-op Flash 55 Pack and the Osprey Aura AG — to figure out which is better for your next hike.

REI’s Flash 22 Hiking Pack is ideal for day hiking or travel. It’s currently just $42, a 30% savings on the already reasonably priced pack. It’s available in a muted green or eye-catching teal.

Like the Flash Hiking Boots, the Flash 22 Pack shares the same specs as the store’s general Flash 22 pack, a popular 14-ounce backpack for day trips, but its lid is uniquely adorned with an ...

We loaded up both the REI Co-op Flash 55 Pack and the Osprey Aura AG 65 with trekking apparel, a bear can, a tent, snack bars, a sleeping pad, a sleeping bag and 3 liters of water to assess how ...