Stay hydrated on all your outdoor adventures with the Unigear Hydration Pack Backpack. This high-quality backpack comes with a 70 oz 2L water bladder, allowing you to easily carry and access water while on the go. The ergonomic design and adjustable straps ensure a comfortable fit for running, hiking, cycling, climbing, camping, and biking. The pack also features multiple pockets for storing essentials such as keys, phone, and snacks. Stay hydrated and energized during your outdoor activities with the Unigear Hydration Pack Backpack.