An article of footwear has selectively height adjustable cleat members
provided on a sole. A cleat member provided in a unit engaged with or
otherwise attached to the sole. The cleat member may have a portion which
extends outwardly from the sole that is positionable at one of a
plurality of predetermined positions relative to the sole and includes a
biasing to at least one of the predetermined positions. A cleat may
include a coupling engaged with the sole and a tip that is selectively
extendable and retractable via a linear movement and rotational movement
relative to a remainder of a cleat so as to present a selectively
variable height. The sole may include a plurality of cleats in which the
cleats include a gyre-linear cleat portion adjustably positionable to
lock relative to the remainder of its respective cleat between a
plurality of predetermined heights. In aspect, the predetermined heights
correspond to locking positions.