A thermoplastic vulcanizate comprising a dynamically-cured rubber, a
thermoplastic polymer, and at least 2 percent by weight, based on the
total weight of the thermoplastic vulcanizate, of a polyalphaolefin
oligomer, where the polyalphaolefin oligomer is characterized by a
kinematic viscosity per ASTM D445 at 100.degree. C. of at least 35 cSt.