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A novel block copolymer composition including a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein (a) prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of at least

A novel block copolymer composition including a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein (a) prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of at least one conjugated diene and at least one mono alkenyl arene, (b) subsequent to hydrogenation about 0-10% of the arene double bonds have been reduced, and at least about 90% of the conjugated diene double bonds have been reduced, (c) each A block having a number average molecular weight between about 3,000 and about 60,000 and each B block having a number average molecular weight between about 30,000 and about 300,000, (d) each B block comprises terminal regions adjacent to the A blocks that are rich in conjugated diene units and one or more regions not adjacent to the A blocks that are rich in mono alkenyl arene units, (e) the total amount of mono alkenyl arene in the hydrogenated block copolymer is about 5 percent weight to about 50 percent weight, and (f) the weight percent of mono alkenyl arene in each B block is between about 10 percent and about 75 percent. The thermoplastic polyurethane elastomer is present in the block copolymer in an amount from about 50 to about 95 percent by weight of a thermoplastic polyurethane elastomer.

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1. A novel block copolymer composition comprising: (a) a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein: a. prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of

1. A novel block copolymer composition comprising: (a) a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein: a. prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of at least one conjugated diene and at least one mono alkenyl arene;b. subsequent to hydrogenation about 0-10% of the arene double bonds have been reduced, and at least about 90% of the conjugated diene double bonds have been reduced;c. each A block having a number average molecular weight between about 3,000 and about 60,000 and each B block having a number average molecular weight between about 30,000 and about 300,000;d. each B block comprises terminal regions adjacent to the A blocks that are rich in conjugated diene units and one or more regions not adjacent to the A blocks that are rich in mono alkenyl arene units;e. the total amount of mono alkenyl arene in the hydrogenated block copolymer is about 5 percent weight to about 50 percent weight; andf. the weight percent of mono alkenyl arene in each B block is between about 10 percent and about 75 percent; and(b) about 50 to about 95 percent by weight of a thermoplastic polyurethane elastomer based on the weight of the novel block copolymer composition. 2. The composition according to claim 1, further comprising between about 0.1 wt % to about 5 wt % of a maleated controlled distribution block copolymer based on the weight of the novel block copolymer composition. 3. The composition according to claim 1, wherein the mono alkenyl arene is styrene. 4. The composition according to claim 1, wherein the the conjugated diene is selected from the group consisting of butadiene and isoprene. 5. The composition according to claim 1, further comprising oil in an amount between about 10 wt % to about 20 wt % based on the weight of the novel block copolymer composition. 6. The composition according to claim 1, wherein the conjugated diene block comprises from about 1 wt % to about 20 wt % of a functionalized block copolymer. 7. The composition according to claim 1 wherein said A block in the novel block copolymer composition contains about 10 to about 30 percent by weight styrene. 8. The composition according to claim 1, wherein said thermoplastic polyurethane is derived from the reaction of an organic diisocyanate, at least one polymeric diol, and at least one difunctional extender. 9. A novel block copolymer composition comprising: (a) a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein: a. prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of at least one conjugated diene and at least one mono alkenyl arene;b. subsequent to hydrogenation about 0-10% of the arene double bonds have been reduced, and at least about 90% of the conjugated diene double bonds have been reduced;c. each A block having a number average molecular weight between about 3,000 and about 60,000 and each B block having a number average molecular weight between about 30,000 and about 300,000;d. each B block comprises terminal regions adjacent to the A blocks that are rich in conjugated diene units and one or more regions not adjacent to the A blocks that are rich in mono alkenyl arene units;e. the total amount of mono alkenyl arene in the hydrogenated block copolymer is about 5 percent weight to about 50 percent weight; andf. the weight percent of mono alkenyl arene in each B block is between about 10 percent and about 75 percent; and(b) about 50 to about 95 percent by weight of a thermoplastic polyurethane elastomer based on the weight of the novel block copolymer composition. 10. The composition according to claim 9, further comprising between about 0.1 wt % to about 5 wt % of a maleated controlled distribution block copolymer based on the weight of the novel block copolymer composition. 11. The composition according to claim 9, wherein each B block contains between about 5 wt % to about 10 wt % of a functionalized polymer. 12. The composition according to claim 9, wherein the thermoplastic polyurethane is derived from 4,4′-methylenebis(cyclohexyl isocyanate), a 2,000 molecular weight polyethyleneoxy capped polypropyleneoxy diol, and 1,4-butanediol. 13. The composition according to claim 9, wherein thermoplastic polyurethane is derived from 4,4′-methylenebis(phenyl isocyanate), a blend of a 2,000 and 700 molecular weight polybutylene adipate diol, and 1,4-butanediol. 14. The composition according to claim 9, wherein said thermoplastic polyurethane is a polyether based polyurethane. 15. The composition according to claim 9, wherein the amount of polyurethane is about 50 to about 80 percent by weight. 16. A novel block copolymer composition comprising: (a) a. a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein: b. prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of at least one conjugated diene and at least one mono alkenyl arene;c. subsequent to hydrogenation about 0-10% of the arene double bonds have been reduced, and at least about 90% of the conjugated diene double bonds have been reduced;d. each A block having a number average molecular weight between about 3,000 and about 60,000 and each B block having a number average molecular weight between about 30,000 and about 300,000;e. each B block comprises terminal regions adjacent to the A blocks that are rich in conjugated diene units and one or more regions not adjacent to the A blocks that are rich in mono alkenyl arene units;f. the total amount of mono alkenyl arene in the hydrogenated block copolymer is about 5 percent weight to about 50 percent weight;g. the weight percent of mono alkenyl arene in each B block is between about 10 percent and about 75 percent;h. from about 10 wt % to about 20 wt % of oil based on the weight of the novel block copolymer composition; and(b) about 50 to about 95 percent by weight of a thermoplastic polyurethane elastomer based on the weight of the novel block copolymer composition. 17. The composition according to claim 16, further comprising between about 0.1 wt % to about 5 wt % of a maleated controlled distribution block copolymer based on the weight of the novel block copolymer composition. 18. The composition according to claim 16, wherein the Shore A hardness is between about 70 to about 60 according to ASTM D2240. 19. The composition according to claim 16, wherein the light transmittance is between about 80 % to about 90 %. 20. The composition according to claim 16, wherein the block copolymer and TPU have a similar refractive index.