Ultra lightweight advantage The hydration pack uses a nylon material and an integrated bag design to deliver an ultra light weight. This reduces overall load and enhances mobility and convenience for active individuals during any trip or workout. Large capacity space The main compartment is designed for large capacity and includes enhanced security features to keep items secure during movement. This provides ample space for essentials while maintaining a compact profile. Ergonomic design for all shapes Adjustable shoulder straps and side pockets accommodate different body types, making the hydration pack comfortable for a variety of users. A density breathable mesh layer helps wick moisture efficiently, reducing pressure on the shoulders and back during workouts. Stay visible Reflective shoulder and back strips improve visibility in low light conditions, enhancing safety during early morning or evening activities. Use scenarios Long runs and trail workouts: lightweight design minimizes fatigue while the spacious main compartment holds hydration and essentials. Cycling commutes or road rides: ergonomic fit with accessible side pockets allows quick access to gear without compromising balance. Hiking and outdoor training: breathable mesh and adjustable straps provide a comfortable fit for different terrains and body types, while reflective strips boost daytime and low light safety.