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Disclosed is a heterophasic polypropylene resin comprising a polypropylene homopolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix, wherein the xylene sol. fraction of the heterophasic polypropylene resin is in the range 20-50 wt%; the heterophasic polypropylene resin has an MFR2 of 0.01-50 g/10 min; the ethylene content of the xylene sol. fraction of the heterophasic polypropylene resin is in the range of 20-50 wt%; the heterophasic polypropylene resin has a notched charpy impact strength at -20° of at least 25 kJ/m2, preferably at least 50 kJ/m2; and wherein the MFR2 (Matrix)/MFR2(XS) ≥ 5, preferably ≥10.