Hydration backpack with removable 3L water bladder — practical, secure hydration on the move Key benefits Keeps you hydrated for hours with a 3L capacity water bladder, reducing stops and letting you focus on activity. Fast external refills: refill through the outside opening without removing the bladder from the pack. Easy to clean and chill: wide bladder opening accommodates ice and simplifies cleaning. Leak control: on/off valve regulates water flow and helps prevent leakage when not in use. Stable, comfortable carry: two adjustable shoulder straps plus a harness minimize bouncing and provide a secure, customizable fit for both men and women. Organized storage: rear compartment holds essentials such as a cell phone, wallet and keys so valuables stay protected and accessible. Features and specifications Water bladder: removable 3L capacity, wide-mouth opening for cleaning and adding ice, external refill access, on/off valve for flow control and leak prevention. Carry system: two adjustable shoulder straps with an integrated harness to stabilize the pack and reduce movement during activity. Storage: rear compartment sized for personal items (cell phone, wallet, keys). Suitable for a wide range of outdoor activities: designed to perform while running, biking, driving, hiking, climbing, hunting and similar pursuits. How it solves common problems No more stopping or fumbling for separate bottles — the 3L reservoir stores ample water and the external refill opening makes top-ups fast. Prevents interruptions and discomfort from pack bounce thanks to the dual straps and harness, improving focus and endurance. Keeps drinking convenient and controlled with the on/off valve, reducing spills and conserving water. Simplifies maintenance: the wide opening makes it easy to rinse, clean and add ice for cold hydration. Practical use scenarios Trail running: carry 3L of water and small essentials, refill quickly at aid stations, and stay stabilized during technical terrain. Cycling or commuter rides: mount the pack comfortably with low bounce, sip hands-free, and store phone and wallet in the rear compartment. Day hikes or hunting trips: use the large opening to add ice for long hot days, rely on the on/off valve to prevent leaks in your pack, and keep valuables secure in the rear compartment. What to expect A hydration backpack that combines a removable 3L water bladder with an external refill port, a wide-opening bladder for cleaning and ice, a leak-controlling on/off valve, two adjustable shoulder straps and a harness for fit and stability, plus a rear compartment for personal items like a cell phone, wallet and keys. No unnecessary features — just practical hydration, secure carry, and simple maintenance for active outdoor use.