Occupant restraint system for a vehicle seat including external tethering

An occupant restraint system for a seat of a vehicle in combination with the seat, the occupant restraint system comprising:

• at least a first airbag stored within a side of a seatback of the seat and deployable from the side of the seatback;
• at least a first tether mounted to the seat and deployable from a stowed position to a deployed position such that the first tether extends around a front facing side of the first airbag from a first lateral side of the seatback of the seat to a second lateral side of the seatbacks;
• and
• a tether housing carried by the seatback of the seat and upwardly extending from the seatback, the tether housing containing a portion of the tether that extends around the front facing side of the first airbag in the deployed position when the tether is in the stowed position,
• wherein the first tether in the stowed position extends vertically upward from a first end thereof, horizontally from the first lateral side of the seatback to the second lateral side of the seatback and vertically downward to a second end thereof such that the first tether upwardly extends from the seatback between the first and second ends thereof in the stowed position, and
• wherein the tether housing includes first and second laterally spaced apart legs and the seat includes an adjustable headrest upwardly extending from the seatback and laterally disposed between the first and second laterally spaced apart legs.