Many sports, law enforcement and military use protective masks. They can be very scary to look at, which is done intentionally. Naturally, there are people who collect them. This one is for the sport called paintball where teams shoot at each other with powerful airguns and rubber ball ammunition. No one is supposed to get hurt in the face. This is called an Invert Helix Thermal Paintball Mask and it looks better when used because the little cap covers all of the head. You can easily buy a new one for $30.