This backpack is lightweight and breathable, great choice for cycling, running, marathon, hiking, climbing, and other outdoor activities.<br/>Features:<br />Made from oxford fabric, lightweight and tear-resistant.<br />Zippered front pocket for phones, towels, and valuables; mesh pocket for sunglasses and tools.<br />Bladder compartment can hold a 2 liter water bladder and keep you hydrated. (Water bladder is not included)<br />Breathable mesh back panel keeps you cool and comfortable.<br />Adjustable chest straps and shoulder straps provide a snug fit and reduce bounce.<br />Reflective strips increase visibility and safety at night.<br />Suitable for cycling, running, marathon, hiking, climbing, and other outdoor activities.<br/>Specifications:<br />Material: Oxford fabric<br />Dimension: 26 * 5 * 40cm / 10.2 * 2.0 * 15.7in<br />Weight: 195g / 6.9oz<br/>Package List:<br />1 * Cycling Hydration Backpack