A crosslinkable polymeric composition comprising: (a) a polymer blend comprising: 10 to 94 weight percent, based on the total weight of said crosslinkable polymeric composition, of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm 3 or less, (ii) a melt index (I 2) at 190 °C of greater than 0.2 g/10 minutes, determined according to ASTM D1238, and (iii) a shear thinning ratio (V0.1/V100) at 190 °C and 10 % strain of less than 8; and 5 to 90 weight percent, based on the total weight of said crosslinkable polymeric composition, of a high-pressure polyethylene; and (b) 0 to less than 40 weight percent, based on the total weight of said crosslinkable polymeric composition, of a filler, wherein said ethylene-based interpolymer of component (a) is not prepared in a high-pressure reactor or process, wherein said polymer blend has the following properties: (i) a shear thinning ratio (V0.1/V100) at 190 °C and 10 % strain of at least 5, (ii) a high-shear viscosity at 190 °C and 10 % strain of less than 1,300 Pa·s, (iii) a melt strength of at least 4 centiNewtons at 190 °C, and (iv) a flexural modulus, 2% secant, of less than 25,000 psi (172 MPa), measured in accordance with ASTM D790. (a) a polymer blend comprising: 10 to 94 weight percent, based on the total weight of said crosslinkable polymeric composition, of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm 3 or less, (ii) a melt index (I 2) at 190 °C of greater than 0.2 g/10 minutes, determined according to ASTM D1238, and (iii) a shear thinning ratio (V0.1/V100) at 190 °C and 10 % strain of less than 8; and 5 to 90 weight percent, based on the total weight of said crosslinkable polymeric composition, of a high-pressure polyethylene; and 10 to 94 weight percent, based on the total weight of said crosslinkable polymeric composition, of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm 3 or less, (ii) a melt index (I 2) at 190 °C of greater than 0.2 g/10 minutes, determined according to ASTM D1238, and (iii) a shear thinning ratio (V0.1/V100) at 190 °C and 10 % strain of less than 8; and (i) a density of 0.93 g/cm 3 or less, (ii) a melt index (I 2) at 190 °C of greater than 0.2 g/10 minutes, determined according to ASTM D1238, and (iii) a shear thinning ratio (V0.1/V100) at 190 °C and 10 % strain of less than 8; and 5 to 90 weight percent, based on the total weight of said crosslinkable polymeric composition, of a high-pressure polyethylene; and (b) 0 to less than 40 weight percent, based on the total weight of said crosslinkable polymeric composition, of a filler, wherein said ethylene-based interpolymer of component (a) is not prepared in a high-pressure reactor or process, wherein said polymer blend has the following properties: (i) a shear thinning ratio (V0.1/V100) at 190 °C and 10 % strain of at least 5, (ii) a high-shear viscosity at 190 °C and 10 % strain of less than 1,300 Pa·s, (iii) a melt strength of at least 4 centiNewtons at 190 °C, and (iv) a flexural modulus, 2% secant, of less than 25,000 psi (172 MPa), measured in accordance with ASTM D790. (i) a shear thinning ratio (V0.1/V100) at 190 °C and 10 % strain of at least 5, (ii) a high-shear viscosity at 190 °C and 10 % strain of less than 1,300 Pa·s, (iii) a melt strength of at least 4 centiNewtons at 190 °C, and (iv) a flexural modulus, 2% secant, of less than 25,000 psi (172 MPa), measured in accordance with ASTM D790.