An improved condom is disclosed. The condom consists of an elongated resilient and flexible tube having a closed end, an open end and a cylindrical wall extending between the open and closed ends. An elongated channel is formed in fee wail and extends between die closed end and the open end. The elongated channel has a first opening adjacent the closed end of the tube and a second opening adjacent the open end of the tube. The flexible tube, channel and openings being configured such that air can be forced loan the closed end, through the elongated channel and out the open end alter the condom is worn by progressively pressing against the condom in the vicinity of the channel from the closed end towards the open end.