Our hiking water backpack comes equipped with a 2L high-capacity hydration bladder, ensuring ample water supply for long, exhausting hikes or treks. Features: The main pocket of the hydration backpack is designed to accommodate a 2L water bladder. The top zipper pocket provides convenient storage for various outdoor essentials. The small pockets of the shoulder strap are perfect for storing your phone and water cup for quick and easy access. The hydration backpack is designed with an ergonomic, breathable, and softly padded back panel for maximum comfort. This is the ultimate outdoor sports gear for men and women, ideal for activities such as running, Cycle, camping, hiking, kayaking, and road trips. Specifications: Material: Nylon, EVA Color: Blue/ Black/ Orange/ Grey (optional) Size: 24.5*5*39.5cm/ 9.6*2*15.6in Package size: 45*25*3cm/ 17.7*9.8*1.2in Package weight: 480g/ 16.9oz Package List: 1 * hydration backpack 1 * water bag