<p>A slip resistant shoe sole (1), comprising a plurality of ground-contact projected parts (3) formed on the ground- contact side surface of a base part (2) at specified intervals (8) in the longitudinal direction of the base part (2). Each of the ground-contact projected part (3) is characterized in that its cross section is formed in a V-shape, a tilted reinforcement part (5) is formed at the root part thereof with the base part (2), and it is formed of an elastic polymer having a JIS-A hardness at the temperature of 20°C of 45 to 80°.</p>