A circular-knitted part, with a base knitted material knitted with at least one base knitting yarn, the base material having several rows of stitches which are knitted together when seen in the longitudinal direction of the base knitted material and which extend circumferentially in spiral fashion, wherein, seen in the longitudinal direction of the base knitted material, an additional yarn, which forms stitches, is interknitted between two rows of stitches of the base knitted material, thus connecting the rows of stitches together, to form at lease on additional stitch, wherein the additional stitch is formed by at least one separate additional yarn.