A blended Neoprene compound with one or more nylon fabric plies, for service where dimensional stability is required. Suitable for use where moderate oil resistance is required and where hot and cold water and gases are being conveyed. Fabric content per thickness is one ply for 1/32" and 1/16", two plies for 1/8", three plies for 3/16", and four plies for 1/4".