A sole unit for a shoe having at least one decoupling track between regions of sole unit allowing for the decoupling of the regions in response to forces from foot-ground contact; a plurality of bridge elements connecting opposite sides of the track so that when forces from foot-ground contact are alleviated, there is a recouping of the decoupled regions. The bridge elements may extend from a tendon element disposed on one side of a decoupling track to the other side of the track.