The AONIJIE lightweight trail - running backpack is challenge - ready. Weighing just 210g, it enables a light - load start. With an 8L capacity, it caters to various needs. Its stable fit ensures it stays with you during workouts. The multi - functional compartments, including a 500ml water bottle slot, energy gel pocket, and 6.8 - inch phone compartment, offer smart storage. Crafted from high - quality 90% nylon and 10% spandex, it's durable. Available in army green, purple, and black, it's the perfect choice for trail running and outdoor hiking.