What does Moroccan Shirts represent?

The Moroccan shirts represent danger. Aegina purchased the shirts in order to resell them at a profit, helping her to pay for her real passion, art school. But on this trip, they not only failed to make their feelings official, Luc slept with Minka. They also got imprisoned for being in Rolf and Minka's car, which carried drugs. Later in the story, Aegina notices that her own son has one of these old shirts. She realizes that it was from Lulu, and that she was the woman her own son slept with.