Abstract: A harness supported bag adapted to be carried on the back of a person is adapted for storing a liquid refreshment such as water, fruit juice or the like. A tube extending from the bag to the front of the person enables the latter to draw liquid refreshment during ambulation. In one alternative embodiment, a transparent pocket is superposed over the bag for receiving indicia to identify the person during a race (e.g. a marathon) whereas in another alternatively preferred embodiment, supplementary reservoir means are provided having a passage connected to the bag and manually activatable valve means for selectively enabling a person to transfer the contents of the supplemental reservoir to the bag during running or other physical activity.