An optical laminate comprising an optical film; and a pressure-sensitive adhesive layer formed on one side of the optical film, wherein the pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive polymer having an alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms, an alkyl (meth)acrylate unit having an alkyl group with 3 or less carbon atoms, an aromatic group-containing monomer unit and a polar group-containing monomer unit and an organic salt, and the pressure-sensitive adhesive layer has a room temperature storage elastic modulus by the method of the description of 0.07 MPa or more and a gel fraction by the method of the description of 80 wt% or more according to Equation 1 below: Gel fraction = B / A × 100 % wherein, B/A is the ratio of the dry mass Bin unit of g of the insoluble fraction recovered after immersing the pressure-sensitive adhesive layer in ethyl acetate at room temperature for 24 hours to the mass in unit of gA of the pressure-sensitive adhesive layer before immersing it in ethyl acetate, wherein the ratio of the alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms in the pressure-sensitive adhesive polymer is in a range of 50 wt% to 70 wt%, wherein the alkyl (meth)acrylate unit having an alkyl group with 3 or less carbon atoms is included in the pressure-sensitive adhesive polymer in an amount of 30 to 65 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms, wherein the aromatic group-containing monomer unit is included in the pressure-sensitive adhesive polymer in an amount of 20 to 45 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms, wherein the polar group-containing monomer unit is included in the pressure-sensitive adhesive polymer in an amount of 1 to 4.5 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms, wherein the organic salt comprises a cation of Formula 2 below: wherein, R 1 is an alkyl group having 1 to 3 carbon atoms, and R 2 to R 4 are each independently an alkyl group having 4 to 20 carbon atoms, wherein the ratio of the metal salt in the pressure-sensitive adhesive layer is 1 wt% or less and wherein the pressure-sensitive adhesive layer further comprises a crosslinking agent for crosslinking the pressure-sensitive adhesive polymer. wherein the pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive polymer having an alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms, an alkyl (meth)acrylate unit having an alkyl group with 3 or less carbon atoms, an aromatic group-containing monomer unit and a polar group-containing monomer unit and an organic salt, and the pressure-sensitive adhesive layer has a room temperature storage elastic modulus by the method of the description of 0.07 MPa or more and a gel fraction by the method of the description of 80 wt% or more according to Equation 1 below: Gel fraction = B / A × 100 % wherein, B/A is the ratio of the dry mass Bin unit of g of the insoluble fraction recovered after immersing the pressure-sensitive adhesive layer in ethyl acetate at room temperature for 24 hours to the mass in unit of gA of the pressure-sensitive adhesive layer before immersing it in ethyl acetate, wherein the ratio of the alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms in the pressure-sensitive adhesive polymer is in a range of 50 wt% to 70 wt%, wherein the alkyl (meth)acrylate unit having an alkyl group with 3 or less carbon atoms is included in the pressure-sensitive adhesive polymer in an amount of 30 to 65 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms, wherein the aromatic group-containing monomer unit is included in the pressure-sensitive adhesive polymer in an amount of 20 to 45 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms, wherein the polar group-containing monomer unit is included in the pressure-sensitive adhesive polymer in an amount of 1 to 4.5 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate unit having an alkyl group with 4 or more carbon atoms, wherein the organic salt comprises a cation of Formula 2 below: wherein, R 1 is an alkyl group having 1 to 3 carbon atoms, and R 2 to R 4 are each independently an alkyl group having 4 to 20 carbon atoms, wherein the ratio of the metal salt in the pressure-sensitive adhesive layer is 1 wt% or less and wherein the pressure-sensitive adhesive layer further comprises a crosslinking agent for crosslinking the pressure-sensitive adhesive polymer.