Abstract: A wear sole (1) for a footwear of the type in which a portion at least of the bearing outer surface (2) of the sole is made of a single piece and has protruding portions (3) and empty gaps (6) provided between the protruding portions (3), each protruding portion (3) being formed from an emptied embossment (3) of the sole defining a cavity (4) open on the side of the inner surface (15) of the sole, the embossments (3) being connected together by a portion of the sole defining a bridge (7). The sole is characterized in that a portion at least of the sole portion defining the bridge between the embossments (3) is provided with through holes (8) for permanent communication between the inner (15) and outer (2) surfaces of the sole, the openings (8) being closed by a watertight membrane (9) that is pervious to steam and air.