Hydration Backpack, Geila Running Hydration Vest, Marathon Trail Running Backpack, Breathable Rucksack Outdoors Sport…

【Lightweight and Comfortable】The running hydration vest is made of water-resistant and tear-resistant nylon, mesh fabrics on the back and shoulder straps maximize breathability to quickly wick away sweat. Soft shoulder strap edges protect your skin from chafing.
【One Size Fits Most】Chest straps can fit a wide range of sizes，suitable for chest circumference 68cm-130cm, fully adjustable to suit your body. No-Bouncing when running! Our water backpack stays solid throughout sprints and long runs.
【Well Organized Ample Space】8 functional and separated pockets：one main back zippered pocket for storing water bladder, one back mesh compartment can contain a thin coatr, front chest zip pockets for 6.8inch phone, 2 elastic drawstring pockets can hold 2 x 500ml flasks, 2 stretchy bins on the left for energy supplies, 1 pocket on the right for Keys, Card or Cash.
【Ultra Light and Portable】Our marathoner rucksack weighs only 120g, suitable for 1.5L water bladder. Total Storage capacity: 5 Liters. The running backpack can keep water cool in its insulated compartment. Soft breathable back mesh speeds up the air flow and makes you feel cool. Reflective visibility and small whistle is provided for safe running at dawn or night.
【All Purpose】Our water backpack can be used for hiking, cycling, mountain biking, trail running, climbing, walking your dog, and so much more. A great gift for men and women, kids and adults.