The invention relates to a cosmetic cover (1) for lining a prosthesis (10), with a distal section (2), and with a joint section (3) which, when the cosmetic cover (1) for the prosthesis is fitted in place, covers a joint mechanism (30) arranged between a proximal prosthesis component (40) and a distal prosthesis component (20), wherein the joint section (3) is made from a 3D spacer knit having an upper textile and a lower textile, which are spaced apart and attached to each other by support threads.