A corrective device to be worn on a human foot having a misalignment and positioned inside of footwear. The device including an inner shell having a first rigidity, and shaped to accommodate receiving therein and supportingly couple with the foot, and an outer shell having a second rigidity, the outer shell shaped to accommodate receiving therein the inner shell, supportingly couple with the inner shell and allow positioning into the footwear. The inner shell including an anterior portion and the outer shell including an anterior portion, with the anterior portion of the inner shell extending forward of the anterior portion of the outer shell and terminating rearward of a pivot region where the human pivots when walking or running and at or forward of a location where the metatarsal heads of the foot of the human approximately end.
