Adjustable seat including operating members

A seat comprising:

• a first adjustable unit for adjusting a position of the seat, provided to a seat body that is for sitting on, the first adjustable unit being adjusted by operation force transmitted from a first operating system;
• a second adjustable unit for adjusting a position of the seat, provided to the seat body, the second adjustable unit being adjusted by operation force transmitted from a second operating system;
• and
• an operation force imparting unit, the operation force imparting unit provided to the seat body in a predetermined position that is operable by a seat occupant, and the operation force imparting unit being able to operate independently in a first operation state in which operation force of the first operating system is input, and a second operation state in which operation force of the second operation system is input,
• wherein the operation force imparting unit includes a first operating member for adjusting the first adjustable unit and a second operating member for adjusting the second adjustable unit,
• wherein the first and second operating members selectively overlap, and
• wherein in the first operation state, the first and second operating members are moved in a state of mutual overlap.