A stretchable structure having the following characteristics: a tensile permanent set (PS 10M) of 1% or more and 50% or less, wherein the tensile permanent set (PS 10M) is a value obtained 10 minutes after 150% elongation at a tension rate of 200 mm/minute in accordance with JIS K7127, and a ratio PS 1M /PS 10M of 1.10 or more, wherein the PS 10M is the tensile permanent set obtained 10 minutes after the elongation and the PS 1M is the tensile permanent set obtained 1 minute after the elongation, the stretchable structure comprising: a core layer including a resin composition which contains a 4-methyl-1-pentene/α-olefin copolymer, and a surface layer including a thermoplastic elastomer being laminated on a surface of the core layer, wherein the 4-methyl-1-pentene/α-olefin copolymer satisfies the following requirement (a): Requirement (a): the copolymer contains 50 to 90 mol% of a structural unit (i) derived from 4-methyl-1-pentene and 10 to 50 mol% of a structural unit (ii) derived from an α-olefin (excluding 4-methyl-1-pentene), a total of the structural unit (i) and the structural unit (ii) being 100 mol%, and wherein the stretchable structure has a multilayered sheet structure having a surface layer/core layer/surface layer structure, or a multilayered filament structure having a core layer/surface layer core-sheath structure. a tensile permanent set (PS 10M) of 1% or more and 50% or less, wherein the tensile permanent set (PS 10M) is a value obtained 10 minutes after 150% elongation at a tension rate of 200 mm/minute in accordance with JIS K7127, and a ratio PS 1M /PS 10M of 1.10 or more, wherein the PS 10M is the tensile permanent set obtained 10 minutes after the elongation and the PS 1M is the tensile permanent set obtained 1 minute after the elongation, the stretchable structure comprising: a core layer including a resin composition which contains a 4-methyl-1-pentene/α-olefin copolymer, and a surface layer including a thermoplastic elastomer being laminated on a surface of the core layer, wherein the 4-methyl-1-pentene/α-olefin copolymer satisfies the following requirement (a): Requirement (a): the copolymer contains 50 to 90 mol% of a structural unit (i) derived from 4-methyl-1-pentene and 10 to 50 mol% of a structural unit (ii) derived from an α-olefin (excluding 4-methyl-1-pentene), a total of the structural unit (i) and the structural unit (ii) being 100 mol%, and wherein the stretchable structure has a multilayered sheet structure having a surface layer/core layer/surface layer structure, or a multilayered filament structure having a core layer/surface layer core-sheath structure. a core layer including a resin composition which contains a 4-methyl-1-pentene/α-olefin copolymer, and a surface layer including a thermoplastic elastomer being laminated on a surface of the core layer, wherein the 4-methyl-1-pentene/α-olefin copolymer satisfies the following requirement (a): Requirement (a): the copolymer contains 50 to 90 mol% of a structural unit (i) derived from 4-methyl-1-pentene and 10 to 50 mol% of a structural unit (ii) derived from an α-olefin (excluding 4-methyl-1-pentene), a total of the structural unit (i) and the structural unit (ii) being 100 mol%, and wherein the stretchable structure has a multilayered sheet structure having a surface layer/core layer/surface layer structure, or a multilayered filament structure having a core layer/surface layer core-sheath structure. Requirement (a): the copolymer contains 50 to 90 mol% of a structural unit (i) derived from 4-methyl-1-pentene and 10 to 50 mol% of a structural unit (ii) derived from an α-olefin (excluding 4-methyl-1-pentene), a total of the structural unit (i) and the structural unit (ii) being 100 mol%, and wherein the stretchable structure has a multilayered sheet structure having a surface layer/core layer/surface layer structure, or a multilayered filament structure having a core layer/surface layer core-sheath structure.