A footwear sole structure for dynamically directing interacting forces
between a user's foot and the footwear during a stride, including an
inner sole located adjacent the user's foot, a mid-sole located between
the inner sole and the footwear, and a rib ribbon force transfer
structure located between the inner sole and the mid-sole wherein the rib
ribbon includes a plurality of ribs spaced along and transversely to a
spine axis and attached to a longitudinally extending spine. The rib
ribbon resists flexing about an axis parallel to the spine axis and
allows a relatively greater degree of flexing about an axis transverse to
the spine axis and the rib ribbon is located along a path between the
inner and mid-soles to dynamically direct the interacting forces between
a user's foot and the footwear as the user's weight shifts from a heel to
a toe position during a stride.