Abstract: An apparatus comprising a stability layer dimensioned to be positioned within a shoe. The apparatus may comprise a stability wall extending downward from a heel portion of the stability layer. The stability wall may comprise a back section dimensioned to curve around a back side of the heel portion. The stability wall may also comprise at least one of a lateral side section and/or a medial side section. The lateral side section may extend along a lateral side of the heel portion and the medial side section may extend along a medial side of the heel portion. A method may comprise providing a stability layer and a midsole layer. The method may also comprise positioning the stability layer on the midsole layer.