NOVEL COMPOSITE YARN IS PRODUCED WHICH COMPRISES A CONTINUOUS POLYMER SUBSTRATE CONSTITUENT COMBINED WITH FIBRIDS WHICH ARE EMBEDDED WITHIN THE POLYMER SUBSTRATE AND CONSOLIDATED THEREWITH; THESE FIBRIDS GENERALLY PROTRUDE OUTWARDLY FROM THE POLYMER SUBSTRATE CONSITUENT IN THE FORM OF FILAMENTOUS UNITS HAVING AN AVERAGE LENGTH OF FROM 1/8 TO 1/2 INCH AND A FINENESS OF BETWEEN 0.2 AND 1 DENIER AS WELLL AS A CHARACTERISTIC SPECIFIC SURFACE ABOVE 2 M.2/G; THEY IMPART TO THE COMPOSITE YARN A FIBROUS SURFACE TEXTURE; THIS NOVEL YARN IS PRODUCED BY A PROCESS GENERALLY INVOLVING EXTRUSION OF THE POLYMER SUBSTRATE AND COMBINATION AS WELL AS CONSOLIDATION OF THE EXTRUDED SUBSTRATE WITH THE FIBRID UNITS THROUGH PRESSURE AND COOLING.