herein A is a non-elastomeric polymer block derived from the moieties of a monovinyl aromatic hydrocarbon radical and B is an elastomeric polymer block derived from the moieties of a conjugated diene monomer; (2) 5-10% of at least one ethylene vinyl acetate copolymer containing 17% to 42% vinyl acetate; where the weight ratio of the block polymer to the ethylene vinyl acetate copolymer is within t