- Versatile Compatibility: Designed to fit a range of hydration systems and containers, this running backpack enhances your outdoor experience. The leak-proof hose guide and quick fill opening ensure convenient hydration on the move. - Enhanced Visibility: Equipped with reflective elements, this backpack improves visibility during low-light conditions. With targeted area lighting and 360-degree reflection, it significantly reduces risks during evening runs or nighttime activities. - Customizable Fit: The backpack features an adjustable design that conforms to your body. Its flexible carrying system provides ergonomic support during various activities, ensuring comfort whether you're running, hiking, or biking. - Ample Storage Capacity: The spacious 3L main compartment includes an elastic expansion strip to accommodate different gear needs. The layered organization system allows for optimal item classification, maximizing space efficiency. - Ideal Use Scenarios: Perfect for trail running, cycling, or weekend hikes, this backpack keeps you hydrated and organized. Its lightweight design ensures ease of movement while providing the storage you need for essential items. - Durable Performance: Crafted from high-quality materials, this backpack is built to withstand outdoor conditions, ensuring longevity and reliable performance during all your adventures.