Articles of footwear and other foot-receiving devices having dynamically adjustable heel portions

A heel support component for an article of footwear, comprising:

• a lower heel counter extending around a rear heel portion;
• an upper heel collar extending around the rear heel portion, wherein the upper heel collar defines, at least in part, a foot-receiving chamber;
• an expandable joint provided between the lower heel counter and the upper heel collar, wherein the expandable joint is formed from a single textile layer with a mechanical stretch fabric;
• and
• a reinforced collar aligned with at least a portion of the upper heel collar and at least a portion of the lower heel counter, wherein the reinforced collar has a higher stiffness than the lower heel counter, the upper heel collar, and the expandable joint, and wherein the reinforced collar is positioned on an inner layer of the heel support component that is interior to the at least a portion of the upper heel collar and the at least a portion of the lower heel counter,
• wherein the lower heel counter, the upper heel collar, and the expandable joint are configured to align with portions of a heel and ankle of a wearer so as to provide a flexible fit around a malleolus area of a wearer's foot.

An article of footwear having an upper that define a foot-receiving chamber and a sole structure secured to the upper, the upper comprising:

• a main body including a lateral side, a medial side, and a toe portion;
• a lacing system extending from the foot-receiving chamber to the toe portion;
• and
• a dynamic fit heel portion including:
• a lower heel counter extending from a lower portion of the lateral side of the main body, around a rear heel portion, and to a lower portion of the medial side of the main body;
• an upper heel collar extending from an upper portion of the lateral side, around the rear heel portion, and to an upper portion of the medial side, wherein the upper heel collar defines, at least in part, the foot-receiving chamber;
• an expandable joint provided between the lower heel counter and the upper heel collar;
• and
• a reinforced collar aligned with at least a portion of the upper heel collar and at least a portion of the lower heel counter, wherein the reinforced collar has a higher stiffness than the lower heel counter, the upper heel collar, and the expandable joint, and wherein the reinforced collar is positioned on an inner layer of the dynamic fit heel portion that is interior to the at least a portion of the upper heel collar and the at least a portion of the lower heel counter,
• wherein the dynamic fit heel portion is configured to align with portions of a heel and ankle of a wearer and is configured to adjust over portions of a heel of a wearer when adjusting a looseness of the lacing system.