Discover the ultimate lightweight hydration solution with this versatile running vest backpack. Weighing just 160g, it's lighter than most smartphones while offering impressive functionality for outdoor adventures. The compact design measures 21cm x 5cm x 36cm and features a dedicated compartment compatible with hydration systems. Multiple storage options include side pockets that accommodate phones up to 7 inches, plus additional utility compartments for essential gear. The innovative honeycomb mesh construction promotes excellent airflow and ventilation, keeping you comfortable during intense activities. Adjustable chest straps and waist buckles ensure a secure, customized fit for various body types. Crafted from water-resistant nylon, this versatile pack comes in eight attractive colors including gray, blue, white, mint, yellow, navy, black, and green. Perfect for running, hiking, cycling, and climbing, the thoughtful design incorporates reflective elements for low-light visibility and smooth-gliding zippers for easy access. Whether you're hitting the trails or tackling an urban adventure, this hydration vest delivers the ideal balance of functionality and comfort for your active lifestyle.