Nike Pro Hyperwarm Hood. Dude is just wearing it backwards.

a cutoff compression shorts leg.

I would say an elf but its not christmas

Some dumbass kid with an underwear leg on his head. Prolly unwashed🤮. You can tell by the look on his face, that he does stupid shit like this all the time attempting to look cool and fit in.

black guy with some underwear on his head?

Ja morant