A type of underwear often known as tighty whities. When you wear them you have a very high chance of getting a wedgie from a boxer wearer. But briefs are very comfortable even during a wedgie.
During gym I was wearing briefs and I got pantsed in front of a hot girl then in the locker room I got a hanging wedgie and stayed there all night until the janitor finally got me down. I now get regular wedgies from the same people for the whole year.