To blow comfortable air from a blowing device with a relatively simple configuration.

A vehicle seat is configured to blow air from a blowing device 20 through a blowing port 10a of a first part 10 in a first state, and not to blow air from the blowing device 20 through the blowing port 10a of the first part 10 in a second state. Substantially the same amount of air is blown from a blowing port 6a of a second part 6 when the first part 10 is in the second state, and from the blowing port 6a of the second part 6 when the first part 10 is in the first state.