A submarine power cable (1) comprising: a plurality of elongated elements arranged in a stranded configuration, wherein at least two of the elongated elements are power cores (3a, 3b, 3c), each power core (11a, 11b, 11c) comprising a conductor (5a, 5b, 5c), an insulation system (7a, 7b, 7c) arranged around the conductor (5a, 5b, 5c), and a polymeric sheath (9a, 9b, 9c) comprising a first polymeric material arranged around the insulation system (7a, 7b, 7c), and a plurality of filler profiles (11a, 11b, 11c) comprising a second polymeric material, each filler profile (11a, 11b, 11c) being arranged in a respective interstice between two elongated elements of the plurality of elongated elements, wherein the first polymeric material and/or the second polymeric material comprises a slip additive.