- Lightweight and Versatile: The running hydration backpack weighs just 250g (8.82oz), making it perfect for running, road cycling, or hiking without weighing you down. - Comfortable Design: Constructed with nylon elastic fabric, this vest provides durability and comfort during your activities. The breathable mesh fabric in the back lining and shoulder straps enhances airflow, keeping your back dry and comfortable on the go. - Ergonomic Fit: The backpack features an ergonomic design to align with your back and protect your muscles. Adjustable chest and waist straps ensure a snug fit, reducing shoulder strain and minimizing bounce for a more stable experience. - Ample Storage Space: With 6 external pockets and a combined capacity of 5.5L, this hydration vest has room for essential items. The chest compartment holds two 250ML soft water bottles, while the back compartment accommodates a 1.5L hydration bladder. Other pockets securely store keys, phones, tissues, and cash, keeping your belongings organized and easily accessible. - Practical Use Cases: Ideal for long runs in warm weather, weekend cycling trips, or day hikes. This hydration vest allows you to stay hydrated and carry your essentials effortlessly. - Durable and Reliable: Built to withstand rigorous activities while providing consistent performance, this backpack is an essential addition to your outdoor gear collection. Experience the convenience and comfort of our running hydration backpack and make hydration hassle-free during your adventures.