A head and neck support device for an occupant of a vehicle with a shoulder harness over the shoulders of the occupant and a helmet on a head of the occupant. The head and neck support device having a yoke, a tether, and at least one sleeve member, which has a cavity defined therethrough. The tether is configured to slide through the sleeve member cavity for a defined distance, which allows the occupant a greater range of side-to-side rotary head mobility.