Abstract: A stadium seat for semi-permanent attachment to a stadium bench, the seat having a frame with a back and a seat portion, the back portion being connected to the stadium seat by a clamp secured to the stadium seat and the stadium bench by a bolt. The seat portion of the frame carries a cushion which in a position of use is over the stadium bench, but which cushion may be swung to a storage position beneath the front portion of the stadium bench which extends over the riser which supports the stadium bench whereby to protect the cushion during storage from wear and weather.