Color: Gray Compact hydration pack designed for durability, comfort, and organized storage for active outdoor use. Lightweight construction and thoughtful features make it suitable for cycling, hiking, jogging, camping, and event use. Key benefits Stable and comfortable fit: Ergonomic back panel, breathable padded shoulder straps, and adjustable threepoint harness reduce bounce and keep the pack secure during movement. Easy access and organized storage: Multilayer layout with front and side pockets lets you distribute weight evenly and reach essentials quickly while on the move. Lightweight and versatile: At about 250 g and dimensions of 36 x 20 x 2 cm, the pack adds minimal bulk while supporting a range of activities without extra burden. Enhanced outdoor functionality: Reflective bands and an emergency whistle on the chest strap improve visibility and ontrail convenience. Waterproof polyester fabric and reinforced stitching improve durability for regular outdoor use. Practical use scenarios Day hikes: Carry snacks, a small water reservoir or bottles, a map, and a lightweight jacket with quick access pockets for essentials. Cycling or jogging: Lowprofile design and secure harness maintain stability at speed while breathable straps reduce shoulder heat. Camping and events: Use as a compact carry option for small supplies, items, and items needed for organized outdoor events or festival settings. Product specifications Name: Hydration Material: Polyester Size: about 36 x 20 x 2 cm (14.17 x 7.87 x 0.79 inches) Weight: about 250 g Packing list 1 Hydration pack Notes Color may appear slightly different from the picture due to lighting and screen settings. Please allow a 1 to 2 cm difference due to manual measurement.