Abstract: A hair piece (1) comprises a foundation (3) having a boundary area (4) extending along a circumference (7); hairs (2) attached to the foundation; and at least one securing mechanism for securing the hair piece to natural hairs of its bearer. The securing mechanism comprises at least one slot (6) in the boundary area, which extends along the circumference and ends in the boundary area in both directions. An adhesive surface (8) extends from the slot towards the circumference. Hairs are attached to the foundation next to the adhesive surface in both directions of the circumference. A section (10) of self-adhesive hair band has an adhesive back to be glued to hairs of the bearer pulled through the slot and pressed against the adhesive surface. This section of self-adhesive hair band is permanently connected to the boundary area at that side of the slot opposite to the adhesive surface.