The present invention relates to a sole with at least one receptacle and at
least one stud, which can be releasably mounted within the receptacle by
inserting a fastening projection of the stud into the receptacle. The
fastening projection includes a first locking member, and the receptacle
includes a flexible wall having a second locking member. The flexible wall
is deflected when the fastening projection is inserted into the receptacle
until the first and the second locking members engage.
