Super compact PERFUMED pack ideal for all occasions. New padded VERTICAL back SYSTEM in breathable mesh fabric, it has shaped and padded shoulder straps, sliding chest strap with whistle. Wide zippered opening very comfortable and two frontal pockets to keep the personal care close. Featuring also two side elasticized water-bottle pockets. Laterally it has a convenient USB port, enabling you to charge your phone by connecting any type of power pack device (not included). Hydration-system compatible.