<p>A backrest assembly 10 for an article of furniture includes a frame 18. A cushion member 24 is attachable to the frame 18. The assembly 10 includes an attachment arrangement 30 for attaching the cushion member 24 to the frame 18. The attachment arrangement 30 includes a receiving formation 32 defined in at least one of the cushion member 24 and the frame 18 and an engaging element 34 carried by the other of the cushion member 24 and the frame 18, the engaging element 34 being slidably received in the receiving formation 32. Fig for publication: Fig. 1 -4 '-4 -4 - 0 ir -4 C n -4</p>