Local media and law enforcement watch from the sidelines.

About eight minutes into the fight energy begins to subside.

Defensive and offensive tactics collide.

All ages are welcome.

Calvin students checking out the event, and apparently loving it.

Calvin students console each other in the last moments of the fight.

Is that snow? Nope, just feathers.

Coming to a close.

Calvin alumni, Staci Kool, Miriam Maring and Chelsea Muller came out to play.

Perhaps the only downside to a giant pillow fight is what is left to clean up: feathery debris.