[Purpose] [0002] To provide a seat with ventilative property, which can eliminate or minimize the possibility of its being permanently deformed and settled into an unrecoverable deformed state. [0003] [Means for Achieving the Purpose] [0004] In the seat wi...

To provide a cushion member that can simplify the overall seat structure and can reduce the cost. A cushion member 1 includes an intermediate layer 10, and an upper layer 20 and a lower layer 30 stacked and fixed thereto. The cushion member 1 is fixed to a...