Vehicle seat

A vehicle seat comprising:

• a backrest formed by using a cushion material, wherein:
• the cushion material comprises a large number of cells and a first damping element;
• each of the cells has a spring element which is compressed in a pressing direction of the seated occupant and which extends in a direction opposite to the pressing direction, and a second damping element which damps compression and extension of the spring element;
• and
• the first damping element is added in at least one of a buttock portion which buttocks of the seated occupant contact and shoulder portion which shoulders of the seated occupant contact, due to reaction against impact force when applied to a vehicle from a back toward a front.

A vehicle seat comprising:

• a seat cushion;
• and
• a seat back having a seat back frame mounted to the seat cushion, and a backrest which has a three-dimensional mesh structure and is stretched across the seat back frame,
• wherein each of a buttock portion of the backrest which buttocks of a seated occupant contact and a shoulder portion of the backrest which shoulders of the seated occupant contact is superposed with the backrest and a portion plastically deforming and sewn by sewing threads or semi-welded such that the sewing threads break or a semi-welded portion peels apart due to reaction against impact force when applied from a back toward a front, and flexure of the buttock portion and the shoulder portion is increased due to the reaction against the impact force when applied from the back toward the front.