Overwatch is well known for the seasonal events it holds throughout the year. Of those events, the Summer Games celebrates sports, the Olympics, and general warm weather fun.
The Summer Games take place every August and bring the timed arcade event Lucioball. As with other Overwatch events, this includes brand new voice lines, emotes, highlight intros, and skins for your characters.
Here is a complete list of every cosmetic skin the event has brought.