Exemplary embodiments of the invention provide a sole assembly having a first fixed portion and a second removable portion, wherein the removable portion is removably mounted to allow replacement, at least one projection extending from a peripheral edge area of the second portion and configured to be engaged with at least one portion of the sole assembly, at least one aperture formed in the second portion and at least one securing device which projects at least partially through the at least one aperture to secure the second portion to the sole assembly.