I'll go one further.
Bills fans used to make fun of other stadiums where the stadium was filled with opposing fans.
That could now happen in Buffalo as Bills fans try sell their tickets to recoup the high cost of season tickets and PSLs.
I've seen kids wear this in youth baseball and softball games.
Usually pitchers and infielders were this incase they are struck in the chest by a hard line drive.
Hamlin may need this