The present invention relates to a bioresorbable prosthetic porous knitcomprising an arrangement of yarns of bioresorbable biocompatible materialdefiningat least two sides for said knit, said knit being provided, on one of itssides, with barbsprotruding outwards from said one side, wherein each yarn of the arrangementdefining said two sides is doubled. The invention further relates to a methodformanufacturing such a knit.