Article of footwear with two part midsole assembly

An article of footwear comprising:

• an upper;
• and
• a sole assembly secured to the upper and comprising:
• a shell having a first hardness and a recess formed in an upper surface thereof, a lateral side of the recess having a first depth and a medial side of the recess having a second depth that is different than the first depth;
• a first aperture extending through a lower surface of the shell and spaced from a lateral side of the shell, the first aperture extending between the recess and an exterior of the shell and defining a first tongue fixed on a medial side thereof, with a remainder of the tongue fee to flex with respect to the shell;
• a second aperture extending through a midfoot portion of the shell, the second aperture defining a second tongue fixed on a lateral side thereof with a remainder of the second tongue free to flex with respect to the shell, the second aperture and second tongue being spaced from the first aperture and first tongue;
• and
• an insert having a second hardness and seated in the recess, a lateral side of the insert having a first height and a medial side of the insert having a second height that is different than the first height, the second hardness being different than the first hardness.