| 摘要 |
PROBLEM TO BE SOLVED: To improve supporting performance of a cushion member, while maintaining seating performance well.SOLUTION: A cushion member 6P includes: a main part 12 that can oppose an occupant's body; and a side part 14 that is laterally arranged with respect to the main part 12 and protrudes toward a seating side of a seat back. The side part 14 includes: a first portion 14a that is arranged on an upper part of the side part 14 and can oppose an occupant's shoulder, with the seat back in an upright position as reference; and a second part 14b that forms the side part 14 other than the first portion 14a. The first portion 14 and the main part 12 elastically compress more easily than the second portion 14b. |
