A hydrogenated block copolymer comprising at least one polymer block A and at least one polymer block B, wherein prior to hydrogenation, each block A is a polymer of a first vinyl aromatic compound, and each block B is a copolymer block of monomer units: (a) a styrene compound having a radical reactive group, (b) at least one conjugated diene, and optionally (c) a second vinyl aromatic compound that is same or different from the first vinyl aromatic compound; wherein each block A has a peak molecular weight (Mp) of 3 to 60 kg/mol, and each block B has a peak molecular weight (Mp) of 20 to 200 kg/mol measured with gel permeation chromatography using polystyrene calibration standards according to ASTM 5296; and wherein the polymerized units derived from the monomer unit (a) constitutes from 10 to 70 wt. % of the total weight of the hydrogenated block copolymer, and from 10 to 80 wt.% of the total weight of the block B; wherein after hydrogenation, the polymerized units derived from the monomer unit (b) has a residual olefinic unsaturation of 0 - 1.5 meq per gram of the hydrogenated block copolymer; and wherein the hydrogenated block copolymer has: i) a DMA 10 rad/s tangent delta peak maximum temperature of -30 to 80°C, preferably -20 to 75°C, most preferably -10 to 60°C; ii) a gel content, after curing, as measured by a Peroxide Cured Gel Test (PCGT) using the formula: gel% =100* dried weight/initial weight, of > 40 wt. %, preferably > 50 wt. %, most preferably > 60 wt. %, of the total weight of the hydrogenated block copolymer; and iii) an aromatic blockiness index of 20 to 80%, calculated based on 1D H-1 NMR spectrum of the hydrogenated block copolymer with the formula: aromatic blockiness index = 100 * Integral2 / Integral1, wherein Integral1 is determined by integrating the H-1 NMR spectrum from 7.5ppm to 6.0ppm and dividing the resulting value by the average number of protons directly connected to the aromatic rings, and Integral2 is determined by integrating the H-1 NMR spectrum from the signal minimum, between 6.9ppm and 6.6ppm, to 6.0ppm and dividing by 2. wherein prior to hydrogenation, each block A is a polymer of a first vinyl aromatic compound, and each block B is a copolymer block of monomer units: (a) a styrene compound having a radical reactive group, (b) at least one conjugated diene, and optionally (c) a second vinyl aromatic compound that is same or different from the first vinyl aromatic compound; each block A is a polymer of a first vinyl aromatic compound, and each block B is a copolymer block of monomer units: (a) a styrene compound having a radical reactive group, (b) at least one conjugated diene, and optionally (c) a second vinyl aromatic compound that is same or different from the first vinyl aromatic compound; (a) a styrene compound having a radical reactive group, (b) at least one conjugated diene, and optionally (c) a second vinyl aromatic compound that is same or different from the first vinyl aromatic compound; wherein each block A has a peak molecular weight (Mp) of 3 to 60 kg/mol, and each block B has a peak molecular weight (Mp) of 20 to 200 kg/mol measured with gel permeation chromatography using polystyrene calibration standards according to ASTM 5296; and wherein the polymerized units derived from the monomer unit (a) constitutes from 10 to 70 wt. % of the total weight of the hydrogenated block copolymer, and from 10 to 80 wt.% of the total weight of the block B; wherein after hydrogenation, the polymerized units derived from the monomer unit (b) has a residual olefinic unsaturation of 0 - 1.5 meq per gram of the hydrogenated block copolymer; and wherein the hydrogenated block copolymer has: i) a DMA 10 rad/s tangent delta peak maximum temperature of -30 to 80°C, preferably -20 to 75°C, most preferably -10 to 60°C; ii) a gel content, after curing, as measured by a Peroxide Cured Gel Test (PCGT) using the formula: gel% =100* dried weight/initial weight, of > 40 wt. %, preferably > 50 wt. %, most preferably > 60 wt. %, of the total weight of the hydrogenated block copolymer; and iii) an aromatic blockiness index of 20 to 80%, calculated based on 1D H-1 NMR spectrum of the hydrogenated block copolymer with the formula: aromatic blockiness index = 100 * Integral2 / Integral1, wherein Integral1 is determined by integrating the H-1 NMR spectrum from 7.5ppm to 6.0ppm and dividing the resulting value by the average number of protons directly connected to the aromatic rings, and Integral2 is determined by integrating the H-1 NMR spectrum from the signal minimum, between 6.9ppm and 6.6ppm, to 6.0ppm and dividing by 2. i) a DMA 10 rad/s tangent delta peak maximum temperature of -30 to 80°C, preferably -20 to 75°C, most preferably -10 to 60°C; ii) a gel content, after curing, as measured by a Peroxide Cured Gel Test (PCGT) using the formula: gel% =100* dried weight/initial weight, of > 40 wt. %, preferably > 50 wt. %, most preferably > 60 wt. %, of the total weight of the hydrogenated block copolymer; and iii) an aromatic blockiness index of 20 to 80%, calculated based on 1D H-1 NMR spectrum of the hydrogenated block copolymer with the formula: aromatic blockiness index = 100 * Integral2 / Integral1, wherein Integral1 is determined by integrating the H-1 NMR spectrum from 7.5ppm to 6.0ppm and dividing the resulting value by the average number of protons directly connected to the aromatic rings, and Integral2 is determined by integrating the H-1 NMR spectrum from the signal minimum, between 6.9ppm and 6.6ppm, to 6.0ppm and dividing by 2.