Vehicle seat structure

A vehicle seat structure comprising:

• a seat back main frame that is linked to an end portion of a seat cushion at a seat rearward side;
• and
• a seat back sub-frame that is linked by a plurality of wires to the seat back main frame, such that movement in a seat front-rear direction is restricted, and also so as to be movable in a roll direction, wherein the wires include a pair of upper-side support wires that is disposed on both sides in a seat width direction, on an upper side in a seat up-down direction, and that connects the seat back main frame and the seat back sub-frame in the seat front-rear direction while inclining toward an inner side in the seat width direction from the seat rearward side toward a seat forward side, and a pair of lower-side support wires that is disposed on both sides in the seat width direction, on a lower side in the seat up-down direction, and that connects the seat back main frame and the seat back sub-frame in the seat front-rear direction while inclining toward the inner side in the seat width direction from the seat rearward side toward the seat forward side.