A multilayer barrier assembly having excellent barrier properties, low modulus, and which is halogen free, is described. The barrier assembly can be used in numerous medical applications and particularly in films for ostomy products. In one version of the barrier assembly, a layer is used that includes a variant form of ethylene vinyl alcohol. In another version of the barrier assembly, a layer is utilized that includes one or more elastomeric norbornenes. The barrier assemblies may also utilize combinations of these layers.
