Abstract: A vehicle seat is provided with: a seat cushion frame; a seat back frame; a seat cushion main part that is fitted to the seat cushion frame; a seat cushion side part that is arranged on a side portion of the seat cushion main part and that is fitted to the seat cushion frame; a seat back main part that is fitted to the seat back frame; and a seat back side part that is arranged on a side portion of the seat back main part and that is fitted to the seat back frame. Here, each of the seat cushion main part and the seat back main part is composed of a plurality of segments, and each segment has a foam part, and the foam part is separated from the foam part of the other segment.

Abstract: A vehicle seat is provided with a seat sliding mechanism (a) including a lower rail and an upper rail fitted and moved in the lower rail, a seat structure (b) equipped with a seat cushion frame including a seat side member and a seat back frame, an upper riser (c) fixed to the upper rail and supporting the seat structure, and a seat inclining mechanism (d) that enables inclining of the seat structure for the upper riser. When the seat structure is inclined by the seat inclining mechanism, an angle between the seat cushion frame and the seat back frame is maintained and the rear of the seat cushion frame is located on the upside of the rear of the seat cushion frame in a state before the seat structure is inclined by the seat inclining mechanism.