A foam material made from a composition [composition] comprising at least one high temperature poly(aryl ether sulfone) (PAES HT) polymer characterized in that the PAES polymer comprises: • from 1 to 99 % by weight amount of at least one recurring unit (R PAES) [(R PAES -1)], based on the total amount of recurring units, and • from 1 to 99 % by weight amount of at least one recurring unit (R PAES) [(R PAES -2)], based on the total amount of recurring units, and wherein said (R PAES -2) recurring unit is different from the (R PAES -1) recurring unit, and the recurring unit (R PAES) is a recurring unit complying with formula: - Ar 1 -(T-Ar 2) n -O-Ar 3 -SO 2 -[Ar 4 -(T-Ar 2) n -SO 2] m -Ar 5 -O- (formula A) wherein: - Ar 1, Ar 2 and Ar 4 equal to or different from each other and at each occurrence, are independently an aromatic mono- or polynuclear group; - Ar 3 and Ar 5 equal to or different from each other and at each occurrence, are independently aromatic moieties selected from the group consisting of those complying with following formulae: wherein - each R, equal to or different form each other, is selected from the group consisting of: hydrogen, halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium and each j, equal to or different from each other, are independently 0, 1, 2, 3 or 4, - each of T, equal to or different from each other, is a bond or a divalent group optionally comprising one or more than one heteroatom; - n is 0, 1, 2, 3 or 4; and - m is 1, 2, 3 or 4 • from 1 to 99 % by weight amount of at least one recurring unit (R PAES) [(R PAES -1)], based on the total amount of recurring units, and • from 1 to 99 % by weight amount of at least one recurring unit (R PAES) [(R PAES -2)], based on the total amount of recurring units, and wherein said (R PAES -2) recurring unit is different from the (R PAES -1) recurring unit, and the recurring unit (R PAES) is a recurring unit complying with formula: - Ar 1 -(T-Ar 2) n -O-Ar 3 -SO 2 -[Ar 4 -(T-Ar 2) n -SO 2] m -Ar 5 -O- (formula A) wherein: - Ar 1, Ar 2 and Ar 4 equal to or different from each other and at each occurrence, are independently an aromatic mono- or polynuclear group; - Ar 3 and Ar 5 equal to or different from each other and at each occurrence, are independently aromatic moieties selected from the group consisting of those complying with following formulae: wherein - each R, equal to or different form each other, is selected from the group consisting of: hydrogen, halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium and each j, equal to or different from each other, are independently 0, 1, 2, 3 or 4, - each of T, equal to or different from each other, is a bond or a divalent group optionally comprising one or more than one heteroatom; - n is 0, 1, 2, 3 or 4; and - m is 1, 2, 3 or 4 - Ar 1, Ar 2 and Ar 4 equal to or different from each other and at each occurrence, are independently an aromatic mono- or polynuclear group; - Ar 3 and Ar 5 equal to or different from each other and at each occurrence, are independently aromatic moieties selected from the group consisting of those complying with following formulae: wherein - each R, equal to or different form each other, is selected from the group consisting of: hydrogen, halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium and each j, equal to or different from each other, are independently 0, 1, 2, 3 or 4, - each of T, equal to or different from each other, is a bond or a divalent group optionally comprising one or more than one heteroatom; - n is 0, 1, 2, 3 or 4; and - m is 1, 2, 3 or 4