A heterophasic polypropylene composition comprising 48 to 75 wt% of a crystalline isotactic propylene homopolymer matrix having a pentad concentration as determined by 13 C-NMR spectroscopy of more than 96 mol% and a matrix melt flow rate (MFR M) as determined at 230°C and 2.16 kg load according ISO 1133 in the range of 15 to 200 g/10min, 25 to 52 wt% of a predominantly amorphous propylene copolymer with 25 to 48 wt% of ethylene and/or an α-olefin with 4-10 carbon atoms being present in the composition as dispersed particles, and 0.0 to 5.0 wt% of a crystalline ethylene copolymer with an α-olefin with 3-10 carbon atoms being present in the composition as inclusions of the dispersed particles of and 0 to 1.0 wt% of an alpha nucleating agent for the α- and/or γ-phase of isotactic polypropylene, (i) a total melt flow rate (MFR T) as determined at 230°C and 2.16 kg load according ISO 1133 in the range of 2.0 to 50 g/10min, (ii) a fraction soluble in xylene determined at 25°C according ISO 16152 in the range of 25 to 52 wt%, (iii) an intrinsic viscosity of the XCS fraction as measured according to DIN ISO 1628/1 in decalin at 135 °C is in the range of 2.5 to 9.0 dl/g and (iv) a relative content of isolated to block ethylene sequences (I) of the XCS fulfilling the inequation I E < 78 − 1.97 × C + 0.015 × C 2 wherein C is the comonomer content [wt%] of the XCS fraction and wherein the I content is defined by equation I E = fPEP fEEE + f PEE + fPEP × 100 wherein I is the relative content of isolated to block ethylene sequences [in %]; fPEP is the mol fraction of propylene/ethylene/propylene sequences in the sample; fPEE is the mol fraction of propylene/ethylene/ethylene sequences and of ethylene/ethylene/propylene sequences in the sample; fEEE is the mol fraction of ethylene/ethylene/ethylene sequences in the sample wherein all sequence concentrations being based on a statistical triad analysis of 13 C-NMR data. 48 to 75 wt% of a crystalline isotactic propylene homopolymer matrix having a pentad concentration as determined by 13 C-NMR spectroscopy of more than 96 mol% and a matrix melt flow rate (MFR M) as determined at 230°C and 2.16 kg load according ISO 1133 in the range of 15 to 200 g/10min, 25 to 52 wt% of a predominantly amorphous propylene copolymer with 25 to 48 wt% of ethylene and/or an α-olefin with 4-10 carbon atoms being present in the composition as dispersed particles, and 0.0 to 5.0 wt% of a crystalline ethylene copolymer with an α-olefin with 3-10 carbon atoms being present in the composition as inclusions of the dispersed particles of and 0 to 1.0 wt% of an alpha nucleating agent for the α- and/or γ-phase of isotactic polypropylene, (i) a total melt flow rate (MFR T) as determined at 230°C and 2.16 kg load according ISO 1133 in the range of 2.0 to 50 g/10min, (ii) a fraction soluble in xylene determined at 25°C according ISO 16152 in the range of 25 to 52 wt%, (iii) an intrinsic viscosity of the XCS fraction as measured according to DIN ISO 1628/1 in decalin at 135 °C is in the range of 2.5 to 9.0 dl/g and (iv) a relative content of isolated to block ethylene sequences (I) of the XCS fulfilling the inequation I E < 78 − 1.97 × C + 0.015 × C 2 wherein C is the comonomer content [wt%] of the XCS fraction and wherein the I content is defined by equation I E = fPEP fEEE + f PEE + fPEP × 100 wherein I is the relative content of isolated to block ethylene sequences [in %]; fPEP is the mol fraction of propylene/ethylene/propylene sequences in the sample; fPEE is the mol fraction of propylene/ethylene/ethylene sequences and of ethylene/ethylene/propylene sequences in the sample; fEEE is the mol fraction of ethylene/ethylene/ethylene sequences in the sample wherein all sequence concentrations being based on a statistical triad analysis of 13 C-NMR data. (i) a total melt flow rate (MFR T) as determined at 230°C and 2.16 kg load according ISO 1133 in the range of 2.0 to 50 g/10min, (ii) a fraction soluble in xylene determined at 25°C according ISO 16152 in the range of 25 to 52 wt%, (iii) an intrinsic viscosity of the XCS fraction as measured according to DIN ISO 1628/1 in decalin at 135 °C is in the range of 2.5 to 9.0 dl/g and (iv) a relative content of isolated to block ethylene sequences (I) of the XCS fulfilling the inequation I E < 78 − 1.97 × C + 0.015 × C 2 wherein C is the comonomer content [wt%] of the XCS fraction and wherein the I content is defined by equation I E = fPEP fEEE + f PEE + fPEP × 100 wherein I is the relative content of isolated to block ethylene sequences [in %]; fPEP is the mol fraction of propylene/ethylene/propylene sequences in the sample; fPEE is the mol fraction of propylene/ethylene/ethylene sequences and of ethylene/ethylene/propylene sequences in the sample; fEEE is the mol fraction of ethylene/ethylene/ethylene sequences in the sample wherein all sequence concentrations being based on a statistical triad analysis of 13 C-NMR data. I is the relative content of isolated to block ethylene sequences [in %]; fPEP is the mol fraction of propylene/ethylene/propylene sequences in the sample; fPEE is the mol fraction of propylene/ethylene/ethylene sequences and of ethylene/ethylene/propylene sequences in the sample; fEEE is the mol fraction of ethylene/ethylene/ethylene sequences in the sample wherein all sequence concentrations being based on a statistical triad analysis of 13 C-NMR data.