Ample packing space is essential, whether you're bringing your backpack as an airplane carry-on or gearing up for a particularly strenuous hike. This spacious pack comes with 20 independent pockets and three compartments to easily fit all your essentials. But that's not all it offers. Specifically designed for airplane travel, it features an external USB port for effortless portable charging, and its durable material ensures the bag is built to last.