Ultralight build With a wholebag design and sturdy nylon material, this hydration pack minimizes strain, helping you enjoy longer trips without feeling weighed down. Large storage space The main bag is spacious and fully organized, with multiple compartments and pockets that ensure effortless storage and quick access to your musthaves during outdoor travel. Ergonomic design for all shapes Adjustable straps and side pockets fit various body types for a comfortable, secure fit. The density breathable mesh efficiently wicks moisture, keeping you comfortable during workouts without adding pressure. Night safety Reflective strips improve visibility in low light, helping alert vehicles and enhance safety on night trips. Use scenarios Day hikes and trail outings: keep water, snacks, keys, and a phone easily accessible in a wellorganized main compartment. Cycling or mountain biking: hands hydration with quickaccess side pockets and secure fit for dynamic movements. Short trips or daily commutes: lightweight, comfortable pack with ample storage for essentials while on the go. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.