Prop and Costume.

With sociological thriller films, all the characters used in the film have typically normal clothing and even though our character is the main protagonist we want the audience to know that he is just 'normal'. So we wanted to dress him in that fashion. This is also what makes sociological thrillers so scary and effective because the main characters usually look exactly like everyday people, so it makes the audience put themselves in the protagonists shoes and wonder if that could happen to them.
We have chosen jeans and a black shirt nothing that stands out to much.  That will connote to the audience that he doesn't want to stand out of the crowd, he has nothing that attracts to much attention he wants to blend in. This is a very conventional outfit for a young teenage boy/young adult it also helps the audience relate to him more because he dresses like anyone would.