Ultralight advantage Combines a full pocket design with premium nylon material to deliver a travel light experience. This hydration pack reduces load on the shoulders and back, enhancing mobility and comfort for active people. More storage Streamlined packing with a range of storage pockets and compartments to organize your outdoor essentials. Keep items neatly arranged and easily accessible throughout your adventures. Ergonomic design for all shapes Designed to fit a variety of body types with adjustable shoulder straps and convenient side pockets. The high-density breathable mesh wicks moisture efficiently, providing a comfortable training or activity experience without added pressure. Improved visibility Reflective safety strips add an extra layer of protection when you run or move in low light, helping you stay visible during day and night activities. Use scenarios Trail running and endurance training: ultra-light design and organized pockets allow you to carry essentials without weighing you down, keeping focus on performance. Day hikes and outdoor exploration: ample storage and a secure, comfortable fit support longer outings with quick access to gear and snacks. Cycling and commuting: reflective strips enhance visibility in low light, while the ergonomic fit and breathable mesh keep you comfortable on regular rides. Key attributes Material: premium nylon Design: full pocket layout with multiple compartments Fit: adjustable shoulder straps and side pockets for various body types Comfort: high-density breathable mesh for moisture management Safety: reflective safety strips for day and night visibility Performance: lightweight construction aimed at mobility and easy access to essentials