A selectively hydrogenated block copolymer having an S block and an E or E 1 block and having a general formula: S-E-S, (S-E 1 ) n X, or mixtures thereof, wherein: n has a value of 2 to 6; X is a coupling agent residue; molecular weight of the S block is 4,400 to 5,600 g/mol; a solution viscosity measured at a concentration of 25 wt. % in toluene and at 25°C of the block copolymer is less than 80 centipoise (cP); polystyrene content in the block copolymer is 25 to 40 wt. %; up to 50 wt. % of diblock units in the block copolymer with a general formula S-E or S-E 1 ; wherein prior to hydrogenation: the S block is a polystyrene block; the E block is a polydiene block selected from the group consisting of polybutadiene, polyisoprene and mixtures thereof, and having a molecular weight of from 18,000 to 26,000 g/mol; the E 1 block is a polydiene block selected from the group consisting of polybutadiene, polyisoprene and mixtures thereof, and having a molecular weight of from 9,000 to 13,000 g/mol; total vinyl content of the polydiene block is 60 to 85 %; and wherein subsequent to hydrogenation: 0-10 percent of styrene double bonds in the block copolymer are reduced, and at least 80 percent of conjugated diene double bonds in the block copolymer are reduced, wherein the molecular weight is the peak molecular weight measured with gel permeation chromatography using polystyrene calibration standards. wherein: n has a value of 2 to 6; X is a coupling agent residue; molecular weight of the S block is 4,400 to 5,600 g/mol; a solution viscosity measured at a concentration of 25 wt. % in toluene and at 25°C of the block copolymer is less than 80 centipoise (cP); polystyrene content in the block copolymer is 25 to 40 wt. %; up to 50 wt. % of diblock units in the block copolymer with a general formula S-E or S-E 1 ; n has a value of 2 to 6; X is a coupling agent residue; molecular weight of the S block is 4,400 to 5,600 g/mol; a solution viscosity measured at a concentration of 25 wt. % in toluene and at 25°C of the block copolymer is less than 80 centipoise (cP); polystyrene content in the block copolymer is 25 to 40 wt. %; up to 50 wt. % of diblock units in the block copolymer with a general formula S-E or S-E 1 ; wherein prior to hydrogenation: the S block is a polystyrene block; the E block is a polydiene block selected from the group consisting of polybutadiene, polyisoprene and mixtures thereof, and having a molecular weight of from 18,000 to 26,000 g/mol; the E 1 block is a polydiene block selected from the group consisting of polybutadiene, polyisoprene and mixtures thereof, and having a molecular weight of from 9,000 to 13,000 g/mol; total vinyl content of the polydiene block is 60 to 85 %; and the S block is a polystyrene block; the E block is a polydiene block selected from the group consisting of polybutadiene, polyisoprene and mixtures thereof, and having a molecular weight of from 18,000 to 26,000 g/mol; the E 1 block is a polydiene block selected from the group consisting of polybutadiene, polyisoprene and mixtures thereof, and having a molecular weight of from 9,000 to 13,000 g/mol; total vinyl content of the polydiene block is 60 to 85 %; and wherein subsequent to hydrogenation: 0-10 percent of styrene double bonds in the block copolymer are reduced, and at least 80 percent of conjugated diene double bonds in the block copolymer are reduced, wherein the molecular weight is the peak molecular weight measured with gel permeation chromatography using polystyrene calibration standards. 0-10 percent of styrene double bonds in the block copolymer are reduced, and at least 80 percent of conjugated diene double bonds in the block copolymer are reduced, wherein the molecular weight is the peak molecular weight measured with gel permeation chromatography using polystyrene calibration standards. <EOS>