Head protection interior fittings for a head protection, a) having a base portion, b) having a neck assembly communicating with the base portion in an assembled state of the head protection interior fittings, for abutting against a neck of a wearer when the head protection interior fittings are worn, i) wherein the neck assembly is variable in its neck contact length, ii) wherein at least one neck coupling portion is disposed between the neck assembly and the base portion, c) having a top-of-the-head assembly communicating with said base portion in an assembled state of said head protection interior fittings, for abutting against a top of the head of a wearer when said head protection interior fittings are worn, and d) having at least one first fixing device for local fixing to the head protection, i) wherein the at least one first fixing device - in at least one end region of the top-of-the-head assembly is connected to the latter, - is connected to the base portion by means of at least one top-of-the-head coupling portion, and - is formed separately from the at least one neck coupling portion, e) wherein the at least one neck coupling portion and each at least regionally adjacently extending to-of-the-head coupling portion i) are formed separately, ii) are separated from one another by a respective separating slot, and iii) in the unassembled state of the head protection interior fittings, run parallel or essentially parallel to one another, at least in some regions. a) having a base portion, b) having a neck assembly communicating with the base portion in an assembled state of the head protection interior fittings, for abutting against a neck of a wearer when the head protection interior fittings are worn, i) wherein the neck assembly is variable in its neck contact length, ii) wherein at least one neck coupling portion is disposed between the neck assembly and the base portion, i) wherein the neck assembly is variable in its neck contact length, ii) wherein at least one neck coupling portion is disposed between the neck assembly and the base portion, c) having a top-of-the-head assembly communicating with said base portion in an assembled state of said head protection interior fittings, for abutting against a top of the head of a wearer when said head protection interior fittings are worn, and d) having at least one first fixing device for local fixing to the head protection, i) wherein the at least one first fixing device - in at least one end region of the top-of-the-head assembly is connected to the latter, - is connected to the base portion by means of at least one top-of-the-head coupling portion, and - is formed separately from the at least one neck coupling portion, i) wherein the at least one first fixing device - in at least one end region of the top-of-the-head assembly is connected to the latter, - is connected to the base portion by means of at least one top-of-the-head coupling portion, and - is formed separately from the at least one neck coupling portion, - in at least one end region of the top-of-the-head assembly is connected to the latter, - is connected to the base portion by means of at least one top-of-the-head coupling portion, and - is formed separately from the at least one neck coupling portion, e) wherein the at least one neck coupling portion and each at least regionally adjacently extending to-of-the-head coupling portion i) are formed separately, ii) are separated from one another by a respective separating slot, and iii) in the unassembled state of the head protection interior fittings, run parallel or essentially parallel to one another, at least in some regions. i) are formed separately, ii) are separated from one another by a respective separating slot, and iii) in the unassembled state of the head protection interior fittings, run parallel or essentially parallel to one another, at least in some regions.