- Ergonomic Comfort: The Hiking Backpack Water Bladder Vest Kit is designed to support your back while protecting your muscles. The ventilated mesh cover promotes airflow, keeping you cool and comfortable during your outdoor activities. - Ultra-Lightweight: Made from high-quality nylon, this backpack weighs only 140 grams. Its lightweight design ensures maximum comfort, allowing you to carry up to 2 liters in the main compartment without feeling weighed down. - Ample Storage: The main pocket features a dedicated compartment for your personal items. Additional storage includes a zippered pocket on the left chest and two elastic bags on the right side, perfect for holding 500ml water bottles. Extra elastic straps allow you to easily carry towels, umbrellas, or other essentials. - Safety Reflective Strips: Equipped with reflective strips on the front and back, this hydration backpack enhances visibility during nighttime activities. It is ideal for runners, cyclists, and outdoor sports enthusiasts, ensuring safety and comfort during low-light conditions. Use Scenarios: 1. Perfect for trail running, where hydration and lightweight gear are essential for performance. 2. Ideal for long bike rides, providing easy access to water and personal items without added bulk. 3. Great for hiking trips, keeping you organized and comfortable while you explore the outdoors.