Abstract: A chair, armchair, comprising a fabric component constituted by two rod-like elements made of plastics with a C-shaped cross-section, each of which has a wing that is larger than an opposite wing and has a thickness that allows it to be fixed to the edge of an element made of fabric by stitched seams, the elements having a C-shaped cross-section being assembled by interlocking with opposite edges of a corresponding structural element to be covered of the chair, armchair, tensioning the element made of fabric.