A sole structure for an article of footwear , comprising: a first midsole body defining a ground-facing surface and a foot-facing surface opposite the ground-facing surface , wherein the first midsole body includes a first midsole material, and the first midsole material has a first hardness; a second midsole body extending through the first midsole body such that the second midsole body extends beyond the ground-facing surface of the first midsole body , wherein the second midsole body includes a second midsole material, the second midsole material has a second hardness, and the first hardness is greater than the second hardness, the second midsole body includes a main body portion , a first body protrusion extending from the main body portion , and a second body protrusion extending from the main body portion ; an insole disposed over the first midsole body and the second midsole body , wherein the insole defines an inner insole surface and an outer insole surface , the inner insole surface faces away the first midsole body , the outer insole surface faces toward the first midsole body , and the insole defines a plurality of openings extending through the inner insole surface and the outer insole surface to partially expose the second midsole body , wherein the plurality of openings includes a first opening disposed at the sole heel portion and a second opening disposed at the sole forefoot portion ; wherein the first body protrusion extends from the main body portion into the first opening , and wherein the second body protrusion extends from the main body portion into the second opening ; and wherein the first body protrusion and the second body protrusion are flush with the inner insole surface . a first midsole body defining a ground-facing surface and a foot-facing surface opposite the ground-facing surface , wherein the first midsole body includes a first midsole material, and the first midsole material has a first hardness; a second midsole body extending through the first midsole body such that the second midsole body extends beyond the ground-facing surface of the first midsole body , wherein the second midsole body includes a second midsole material, the second midsole material has a second hardness, and the first hardness is greater than the second hardness, the second midsole body includes a main body portion , a first body protrusion extending from the main body portion , and a second body protrusion extending from the main body portion ; an insole disposed over the first midsole body and the second midsole body , wherein the insole defines an inner insole surface and an outer insole surface , the inner insole surface faces away the first midsole body , the outer insole surface faces toward the first midsole body , and the insole defines a plurality of openings extending through the inner insole surface and the outer insole surface to partially expose the second midsole body , wherein the plurality of openings includes a first opening disposed at the sole heel portion and a second opening disposed at the sole forefoot portion ; wherein the first body protrusion extends from the main body portion into the first opening , and wherein the second body protrusion extends from the main body portion into the second opening ; and wherein the first body protrusion and the second body protrusion are flush with the inner insole surface . <EOS>