A tire and noise damper (150; 400; 500; 600; 700; 800) assembly (100; 200) comprising: a tire, wherein the tire comprises: a first annular bead and a second annular bead, a body ply extending between the first annular bead and the second annular bead, an innerliner, disposed radially under the body ply and extending axially across a portion of the body ply, an annular belt package, disposed radially upward of the body ply and extending axially across a portion of the body ply, a circumferential tread disposed radially upward of the annular belt package and extending axially across a portion of the body ply, and a first sidewall extending between the first annular bead and a first shoulder, the first shoulder being associated with the circumferential tread, and a second sidewall extending between the second annular bead and a second shoulder, the second shoulder being associated with the circumferential tread; and a noise damper (150; 400; 500; 600; 700; 800) made of an open cell foam and having a continuous circumferential upper tier (150a; 410a; 510a; 610a; 710a; 810a) and an interposed circumferential lower tier (150b; 410b; 510b; 610b; 710b; 810b) including blocks and voids, wherein the interposed circumferential lower tier (150b; 410b; 510b; 610b; 710b; 810b) has a radial height that is 1.5-14.0% of a section height of the tire and an axial width that is 20-80% of a tread width of the tire, wherein the continuous circumferential upper tier (150a; 410a; 510a; 610a; 710a; 810a) has a radial height that is 1.5-14.0% of the section height and an axial width that is 20-80% of the tread width, characterised in that each of the blocks has an axial width that is 80-120% of the axial width of the continuous upper tier (150a; 410a; 510a; 610a; 710a; 810a), and the blocks span 20-40% of the continuous circumferential upper tier's (150a; 410a; 510a; 610a; 710a; 810a) inner circumference and the voids span 60-80% of the continuous circumferential upper tier's (150a; 410a; 510a; 610a; 710a; 810a) inner circumference. a tire, wherein the tire comprises: a first annular bead and a second annular bead, a body ply extending between the first annular bead and the second annular bead, an innerliner, disposed radially under the body ply and extending axially across a portion of the body ply, an annular belt package, disposed radially upward of the body ply and extending axially across a portion of the body ply, a circumferential tread disposed radially upward of the annular belt package and extending axially across a portion of the body ply, and a first sidewall extending between the first annular bead and a first shoulder, the first shoulder being associated with the circumferential tread, and a second sidewall extending between the second annular bead and a second shoulder, the second shoulder being associated with the circumferential tread; and a first annular bead and a second annular bead, a body ply extending between the first annular bead and the second annular bead, an innerliner, disposed radially under the body ply and extending axially across a portion of the body ply, an annular belt package, disposed radially upward of the body ply and extending axially across a portion of the body ply, a circumferential tread disposed radially upward of the annular belt package and extending axially across a portion of the body ply, and a first sidewall extending between the first annular bead and a first shoulder, the first shoulder being associated with the circumferential tread, and a second sidewall extending between the second annular bead and a second shoulder, the second shoulder being associated with the circumferential tread; and a noise damper (150; 400; 500; 600; 700; 800) made of an open cell foam and having a continuous circumferential upper tier (150a; 410a; 510a; 610a; 710a; 810a) and an interposed circumferential lower tier (150b; 410b; 510b; 610b; 710b; 810b) including blocks and voids, wherein the interposed circumferential lower tier (150b; 410b; 510b; 610b; 710b; 810b) has a radial height that is 1.5-14.0% of a section height of the tire and an axial width that is 20-80% of a tread width of the tire, wherein the continuous circumferential upper tier (150a; 410a; 510a; 610a; 710a; 810a) has a radial height that is 1.5-14.0% of the section height and an axial width that is 20-80% of the tread width, characterised in that each of the blocks has an axial width that is 80-120% of the axial width of the continuous upper tier (150a; 410a; 510a; 610a; 710a; 810a), and the blocks span 20-40% of the continuous circumferential upper tier's (150a; 410a; 510a; 610a; 710a; 810a) inner circumference and the voids span 60-80% of the continuous circumferential upper tier's (150a; 410a; 510a; 610a; 710a; 810a) inner circumference. wherein the interposed circumferential lower tier (150b; 410b; 510b; 610b; 710b; 810b) has a radial height that is 1.5-14.0% of a section height of the tire and an axial width that is 20-80% of a tread width of the tire, wherein the continuous circumferential upper tier (150a; 410a; 510a; 610a; 710a; 810a) has a radial height that is 1.5-14.0% of the section height and an axial width that is 20-80% of the tread width, characterised in that each of the blocks has an axial width that is 80-120% of the axial width of the continuous upper tier (150a; 410a; 510a; 610a; 710a; 810a), and the blocks span 20-40% of the continuous circumferential upper tier's (150a; 410a; 510a; 610a; 710a; 810a) inner circumference and the voids span 60-80% of the continuous circumferential upper tier's (150a; 410a; 510a; 610a; 710a; 810a) inner circumference.