The newest additions of Kansas City Chiefs Helmets by Riddell. The Full Size Authentic SpeedFlex Helmets. These are the same helmet worn on the filed by the players with this sleek new design. These make great collectibles for autographs or to put in one of our display cases to hang in your bed room, dorm room or man cave! These come in all 32 NFL teams. These helmets are meant for collectible and are not intended for use during play.