An acoustical device comprising: a headphone having a cushion comprising an outer layer configured to contact a headphone user; or a loop shaped structure for wearing around a user's neck having a cushion comprising an outer layer configured to contact an acoustical device user; the acoustical device further comprising: two or more phase change materials with an ability to change from solid phase to liquid phase or from one solid phase to a different solid phase at a predetermined phase-change temperature, wherein each phase change material has a different predetermined phase-change temperature; and padding ; wherein the phase change materials are between the outer layer and the padding , and wherein the two or more phase change materials are configured as two or more layers , and each layer of phase change material has a different predetermined phase-change temperature, wherein a first layer of the two or more layers having a phase change material is located between the outer layer and a second layer of the two or more layers, and the second layer is located between the first layer and the padding , wherein the phase-change temperature of the first layer is greater than the phase-change temperature of the second layer, wherein the phase-change temperature of the first layer is about 30 °C to about 35 °C, wherein the phase-change temperature of the second layer is about 25 °C to about 32 °C or about 25 °C to about 29 °C. a headphone having a cushion comprising an outer layer configured to contact a headphone user; or a loop shaped structure for wearing around a user's neck having a cushion comprising an outer layer configured to contact an acoustical device user; the acoustical device further comprising: two or more phase change materials with an ability to change from solid phase to liquid phase or from one solid phase to a different solid phase at a predetermined phase-change temperature, wherein each phase change material has a different predetermined phase-change temperature; and padding ; wherein the phase change materials are between the outer layer and the padding , and wherein the two or more phase change materials are configured as two or more layers , and each layer of phase change material has a different predetermined phase-change temperature, wherein a first layer of the two or more layers having a phase change material is located between the outer layer and a second layer of the two or more layers, and the second layer is located between the first layer and the padding , wherein the phase-change temperature of the first layer is greater than the phase-change temperature of the second layer, wherein the phase-change temperature of the first layer is about 30 °C to about 35 °C, wherein the phase-change temperature of the second layer is about 25 °C to about 32 °C or about 25 °C to about 29 °C. two or more phase change materials with an ability to change from solid phase to liquid phase or from one solid phase to a different solid phase at a predetermined phase-change temperature, wherein each phase change material has a different predetermined phase-change temperature; and padding ; wherein the phase change materials are between the outer layer and the padding , and wherein the two or more phase change materials are configured as two or more layers , and each layer of phase change material has a different predetermined phase-change temperature, wherein a first layer of the two or more layers having a phase change material is located between the outer layer and a second layer of the two or more layers, and the second layer is located between the first layer and the padding , wherein the phase-change temperature of the first layer is greater than the phase-change temperature of the second layer, wherein the phase-change temperature of the first layer is about 30 °C to about 35 °C, wherein the phase-change temperature of the second layer is about 25 °C to about 32 °C or about 25 °C to about 29 °C. <EOS>