A polymer composition comprising a multi-stage polymer comprising: (a) 25 to 45 weight % of a cross-linked core, based on the total weight of the multi-stage polymer, comprising polymerized units derived from (i) 95 to 99.9 weight % of one or more alkyl(meth)acrylate monomers, and (ii) 0.1 to 5 weight % of one or more cross-linking monomers, graft-linking monomers, and combinations thereof, based on the total weight of the cross-linked core; (b) 25 to 45 weight % of a first intermediate layer, based on the total weight of the multi-stage polymer, comprising polymerized units derived from (i) 95 to 100 weight % of one or more alkyl(meth)acrylate monomers, and (ii) 0 to 5 weight % of cross-linking monomers, graft-linking monomers, and combinations thereof, based on the total weight of the first intermediate layer; (c) 5 to 25 weight % of a second intermediate layer, based on the total weight of the multi-stage polymer, comprising polymerized units derived from (i) 98 to 100 weight % of one or more alkyl(meth)acrylate monomers, styrenic monomers, and combinations thereof, and (ii) 0 to 2 weight % of one or more chain transfer agents, based on the total weight of the second intermediate layer; and (d) 5 to 25 weight % of a shell, based on the total weight of the multi-stage polymer, comprising polymerized units derived from (i) 84 to 98 weight % of one or more alkyl(meth)acrylate monomers, styrenic monomers, and combinations thereof, (ii) 2 to 16 weight % of one or more monomers selected from the group consisting of acid functionalized monomers, hydroxyl-functionalized monomers, and combinations thereof, and (iii) 0 to 2 weight % of one or more chain transfer agents, based on the total weight of the shell; wherein the multi-stage polymer comprises (a) the cross-linked core in an amount of from 30 to 40 weight %, (b) the first intermediate layer in an amount of from 30 to 40 weight %, (c) the second intermediate layer in an amount of from 10 to 20 weight %, and (d) the shell in an amount of from 10 to 20 weight %, based on upon the total weight of the multi-stage polymer. (a) 25 to 45 weight % of a cross-linked core, based on the total weight of the multi-stage polymer, comprising polymerized units derived from (i) 95 to 99.9 weight % of one or more alkyl(meth)acrylate monomers, and (ii) 0.1 to 5 weight % of one or more cross-linking monomers, graft-linking monomers, and combinations thereof, based on the total weight of the cross-linked core; (b) 25 to 45 weight % of a first intermediate layer, based on the total weight of the multi-stage polymer, comprising polymerized units derived from (i) 95 to 100 weight % of one or more alkyl(meth)acrylate monomers, and (ii) 0 to 5 weight % of cross-linking monomers, graft-linking monomers, and combinations thereof, based on the total weight of the first intermediate layer; (c) 5 to 25 weight % of a second intermediate layer, based on the total weight of the multi-stage polymer, comprising polymerized units derived from (i) 98 to 100 weight % of one or more alkyl(meth)acrylate monomers, styrenic monomers, and combinations thereof, and (ii) 0 to 2 weight % of one or more chain transfer agents, based on the total weight of the second intermediate layer; and (d) 5 to 25 weight % of a shell, based on the total weight of the multi-stage polymer, comprising polymerized units derived from (i) 84 to 98 weight % of one or more alkyl(meth)acrylate monomers, styrenic monomers, and combinations thereof, (ii) 2 to 16 weight % of one or more monomers selected from the group consisting of acid functionalized monomers, hydroxyl-functionalized monomers, and combinations thereof, and (iii) 0 to 2 weight % of one or more chain transfer agents, based on the total weight of the shell; wherein the multi-stage polymer comprises (a) the cross-linked core in an amount of from 30 to 40 weight %, (b) the first intermediate layer in an amount of from 30 to 40 weight %, (c) the second intermediate layer in an amount of from 10 to 20 weight %, and (d) the shell in an amount of from 10 to 20 weight %, based on upon the total weight of the multi-stage polymer.