An upper for an article of footwear , comprising: an upper shell defining an interior chamber , wherein the upper shell includes a plantar support surface and sidewalls extending upward from an outer perimeter of the plantar support surface ; a bootie component received in the interior chamber , wherein the bootie component is fixedly engaged with the upper shell at fixed connections that consist essentially of: (a) one or more fixed bottom connections between the bootie component and the plantar support surface , wherein the one or more fixed bottom connections is spaced inward from the outer perimeter of the plantar support surface , and (b) one or more fixed top connections between the bootie component and a top forefoot area of the upper shell , wherein each of the one or more fixed top connections is located within a fixed region having: (i) a width dimension (W) of less than 5 cm in a medial side-to-lateral side direction of the upper and a length dimension (L) of less than 2 cm in a heel-to-toe direction of the upper and/or (ii) a fixed area of less than 10 cm 2 , wherein the bootie component includes an interior compartment configured to completely contain a wearer's foot; and an interior midsole received in the interior compartment of the bootie component , wherein the interior midsole includes a top surface and is made from a polymer foam material. an upper shell defining an interior chamber , wherein the upper shell includes a plantar support surface and sidewalls extending upward from an outer perimeter of the plantar support surface ; a bootie component received in the interior chamber , wherein the bootie component is fixedly engaged with the upper shell at fixed connections that consist essentially of: (a) one or more fixed bottom connections between the bootie component and the plantar support surface , wherein the one or more fixed bottom connections is spaced inward from the outer perimeter of the plantar support surface , and (b) one or more fixed top connections between the bootie component and a top forefoot area of the upper shell , wherein each of the one or more fixed top connections is located within a fixed region having: (i) a width dimension (W) of less than 5 cm in a medial side-to-lateral side direction of the upper and a length dimension (L) of less than 2 cm in a heel-to-toe direction of the upper and/or (ii) a fixed area of less than 10 cm 2 , (a) one or more fixed bottom connections between the bootie component and the plantar support surface , wherein the one or more fixed bottom connections is spaced inward from the outer perimeter of the plantar support surface , and (b) one or more fixed top connections between the bootie component and a top forefoot area of the upper shell , wherein each of the one or more fixed top connections is located within a fixed region having: (i) a width dimension (W) of less than 5 cm in a medial side-to-lateral side direction of the upper and a length dimension (L) of less than 2 cm in a heel-to-toe direction of the upper and/or (ii) a fixed area of less than 10 cm 2 , wherein the bootie component includes an interior compartment configured to completely contain a wearer's foot; and an interior midsole received in the interior compartment of the bootie component , wherein the interior midsole includes a top surface and is made from a polymer foam material. <EOS>