a coextruded multilayer film includes a core layer including an ethylene vinyl alcohol copolymer ; two intermediate layers each including a polyamide ; a first outer layer comprising an amorphous cyclic olefin copolymer ; a second outer layer comprising an amorphous cyclic olefin copolymer or an olefinic copolymer ; and two tie layers each adhering an intermediate layer to a respective outer layer . an aseptic package includes a sterilized food product , and a sterilized pouch in which the sterilized food product is disposed , the sterilized pouch including the coextruded multilayer film of the invention . a method of making an aseptic package is also disclosed .