The youth shown here has all the gear of an athlete—shoes, a staff, a pick to loosen the ground when it becomes too packed, an aryballos (oil flask), and a himation (cloak) neatly folded over the goalpost. He is in the process of tying his penis before exercising.
Richter, Gisela M. A. 1953. Handbook of the Greek Collection. p. 76, Cambridge, Mass.: Harvard University Press.
Beazley, John D. 1963. Attic Red-Figure Vase-Painters, Vols. 1 and 2, 2nd ed. p. 366, no. 81, Oxford: Clarendon Press.